IMG 1010 - SIP 'Phone Context' Parameter

Owned by Kelli Higdon
Last updated: Mar 04, 2024
11 min read

Overview:

The "Phone-Context" parameter is defined in RFC 3966 and is part of the URI scheme "tel". Feature 1584 adds to the IMG support for the "Phone Context" parameter on the outgoing To/From headers in the SIP INVITE message. The "Phone Context" feature is configured in the SIP SGP Profile and is disabled by default. See below

RFC:

3966 - The tel URI for Telephone Numbers

Call Flow Diagram:

Below is Call Flow Diagram for the Call Trace above showing the Phone Context Value.

Configuration:

The 'Phone Context' parameter is configured through the SIP SGP Profile. Below are steps to configure the IMG to output the Phone Context parameter in the SIP INVITE message.

  • Right click on the Dialogic IMG EMS object and select New Profiles. This will create a Profiles object.

  • Right Click on the Profiles object and select New SIP SGP. This will create a new Gateway Profile object as shown on screen capture below. The Phone context support fields are at bottom of this object pane. In order to be able to edit the SIP SGP Profile, change the ID to something other than ID:0. ID:0 is reserved as a default Gateway profile.

  • The Phone Context Support feature is disabled by default. To enable select from drop down menu where to include the 'Phone Context' parameter. See screen capture below.


    Include in To: Header - Include the Phone Context Parameter in the To: Header only.
    Include in From Header: - Include the Phone Context Parameter in the From: Header only.
    Include in both To: and From: Headers - Include the Phone Context Parameter in both the To: and From: Headers.  

  • Click in the 'Phone Context String' field and enter the Phone Context String. Max number of characters is 64. Below are a few examples:

    • Digit String = 1508862

    • Domain Name = hyannis.dialogic.com  

  • Once the Phone context parameters are entered into the Phone Context fields then the SIP SGP Profile will be available in one of the following SIP Panes:
    SIP Signaling Object:


    SIP External Gateway:

Additional Information:

  • Phone-context parameter is available for Outgoing INVITE requests only.

  • If phone-context parameter appears in an incoming SIP message, the SIP stack will ignore it.

  • The Phone-Context String field has a maximum length of 64 ASCII characters.

Related Topics:

IMG 1010 - SIP Profile - 10.5.3

Call Trace Example:

Below is a Call Trace with the SIP Phone Context Value in the To: Header.

On the incoming side there is no reference to the Phone Context. On the Outgoing leg the  Phone Context Value is in the INVITE, 180 Ringing and 200 OK messaging.


01:06:31.580 CALL(SIP) (00:00005:00) RCVD INVITE W/SDP from 10.10.1.32:5080 udp CSeq:1
01:06:31.580 CALL(SIP) (00:00005:00)      with Via sent-by: 10.10.1.32
01:06:31.580 CALL(SIP) (00:00005:00)      Call-id: 7501ba23b61e2e4a@QkxSS0VDNTUwNDNELmFkLmluZm9zeXMuY29t
01:06:31.580 CALL(SIP) (00:00005:00)      and Msg Size: 789
01:06:31.580 CALL(SIP) (00:00005:00)
                        ---> [10.10.1.32, 5080]
                       INVITE sip:11111@img-sip.com SIP/2.0\r\n
                       Via: SIP/2.0/UDP 10.10.1.32:5080;branch=z9hG4bK-d87543-a6754b0ddd7d736d-1--d87543-;rport\r\n
                       Max-Forwards: 70\r\n
                       Contact: <sip:99999@10.10.1.32:5080>\r\n
                       To: <sip:11111@img-sip.com>\r\n
                       From: "Eyebeam"<sip:99999@img-sip.com>;tag=d45cd926\r\n
                       Call-ID: 7501ba23b61e2e4a@QkxSS0VDNTUwNDNELmFkLmluZm9zeXMuY29t\r\n
                       CSeq: 1 INVITE\r\n
                       Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO\r\n
                       Content-Type: application/sdp\r\n
                       Supported: eventlist\r\n
                       User-Agent: eyeBeam release 3010n stamp 19039\r\n
                       Content-Length: 237\r\n
                       \r\n
                       v=0\r\n
                       o=- 2069749654 2069749738 IN IP4 10.10.1.32\r\n
                       s=eyeBeam\r\n
                       c=IN IP4 10.10.1.32\r\n
                       t=0 0\r\n
                       m=audio 9764 RTP/AVP 0 8 3 18 5 101\r\n
                       a=alt:1 1 : A1C300C0 00000010 10.10.1.32 9764\r\n
                       a=fmtp:101 0-15\r\n
                       a=rtpmap:101 telephone-event/8000\r\n
                       a=sendrecv\r\n

01:06:31.580 CALL(SIP) (00:00005:00) SENT 100 Trying to 10.10.1.32:5080
01:06:31.580 CALL(SIP) (00:00005:00)

                        <--- [10.10.1.32, 5080 <- 10.10.1.211, 5060]
                       SIP/2.0 100 Trying\r\n
                       Via: SIP/2.0/UDP 10.10.1.32:5080;branch=z9hG4bK-d87543-a6754b0ddd7d736d-1--d87543-;rport;received=10.10.1.32\r\n
                       Call-ID: 7501ba23b61e2e4a@QkxSS0VDNTUwNDNELmFkLmluZm9zeXMuY29t\r\n
                       From: "Eyebeam"<sip:99999@img-sip.com>;tag=d45cd926\r\n
                       To: <sip:11111@img-sip.com>\r\n
                       CSeq: 1 INVITE\r\n
                       Server: Dialogic-SIP/10.5.2.27 IMG-Subbu 0\r\n
                       Content-Length: 0\r\n
                       \r\n
01:06:31.580 CALL(SIP) (00:00005:00) SENT Route Control to L4

01:06:31.580 CALL(L4)  (00:00005:00) RCVD Route Control from SIP
01:06:31.580 CALL(L4)  (00:00005:00) Accessing Route Table 2(m)
01:06:31.580 CALL(L4)  (00:00005:00) Accessing Resource Table 1
01:06:31.580 CALL(L4)  (00:00005:00) Hunting Algorithm is Round Robin
01:06:31.580 CALL(L4)  (00:00005:00) SENT Route Control Ack to SIP
01:06:31.580 CALL(SIP) (00:00005:00) RCVD Route Control Ack from L4
01:06:31.580 CALL(SIP) (00:00005:00) Session Group Profile ID is 0
01:06:31.580 CALL(SIP) (00:00005:00) SENT Route Control to L4
01:06:31.580 CALL(L4)  (00:00005:00) RCVD Route Control from SIP
01:06:31.580 CALL(L4)  (00:00005:00) Accessing IP Bearer Profiles
01:06:31.580 CALL(L4)  (00:00005:00) Profile Id 1 (RG 769)
01:06:31.580 CALL(L4)  (00:00005:00) SENT Route Control Ack to SIP
01:06:31.580 CALL(SIP) (00:00005:00) RCVD Route Control Ack from L4
01:06:31.580 CALL(SIP) (00:00005:00) m line codec list:  0 8 3 18 5 101
01:06:31.580 CALL(SIP) (00:00005:00) RTP Type: 101, name: telephone-event, clk:8000
01:06:31.580 CALL(SIP) (00:00005:00) CODEC Negotiation Priority LOCAL
01:06:31.580 CALL(SIP) (00:00005:00) CPC (Default)
01:06:31.580 CALL(SIP) (00:00005:00) Leg 0 associated with hndl(4991), LTS(1032)(span 4096 chan 8)
01:06:31.580 CALL(SIP) (00:00005:00) SENT Setup to L4
01:06:31.590 CALL(L4)  (00:00005:00) RCVD Setup Ind  from SIP
01:06:31.590 CALL(L4)  (00:00005:00) SENT RFS to GCL
01:06:31.590 CALL(GCL) (00:00005:00) RCVD RFS DN=[11111] ANI=[99999] from L4
01:06:31.590 CALL(GCL) (00:00005:00) ANI APRI=[0],SI=[0],Category=[10]
01:06:31.590 CALL(GCL) (00:00005:00) DN NOA=[3]
01:06:31.590 CALL(GCL) (00:00005:00) Incoming Channel Group = 0 [SIP_IN]
01:06:31.590 CALL(GCL) (00:00005:00) SENT Make Call Request to GCL
01:06:31.590 CALL(GCL) (00:00005:01) SENT Route Control to L4
01:06:31.590 CALL(L4)  (00:00005:00) RCVD RFS response  from GCL
01:06:31.590 CALL(L4)  (00:00005:00) RCVD Route Control from GCL
01:06:31.590 CALL(L4)  (00:00005:00) Accessing Route Table 5
01:06:31.590 CALL(GCL) (00:00005:01) RCVD Route Control Ack (Mid Stream Router)from L4
01:06:31.590 CALL(GCL) (00:00005:01) Outgoing Channel Group = 1 [SIP_OUT]
01:06:31.590 CALL(GCL) (00:00005:01) SENT Route Control to L4
01:06:31.600 CALL(L4)  (00:00005:01) RCVD Route Control from GCL
01:06:31.600 CALL(L4)  (00:00005:01) Accessing Resource Table 1
01:06:31.600 CALL(L4)  (00:00005:01) Resource Group ID is 1
01:06:31.600 CALL(L4)  (00:00005:01) Hunting Algorithm is Round Robin
01:06:31.600 CALL(L4)  (00:00005:01) SENT Outseize Ctrl to SIP
01:06:31.600 CALL(GCL) (00:00005:01) RCVD CPE of ADDRESS INFO from L4
01:06:31.600 CALL(GCL) (00:00005:01) Leg 1 associated with LTS(1033)(span 4096chan 9)
01:06:31.600 CALL(SIP) (00:00005:01) RCVD Outseize Ctrl from L4
01:06:31.610 CALL(SIP) (00:00005:01) SENT Route Control to L4
01:06:31.610 CALL(L4)  (00:00005:01) RCVD Route Control from SIP
01:06:31.610 CALL(L4)  (00:00005:01) Accessing GatewayId to IP Tables
01:06:31.610 CALL(L4)  (00:00005:01) Gateway ID is 1026
01:06:31.610 CALL(L4)  (00:00005:01) SENT Route Control Ack to SIP
01:06:31.610 CALL(SIP) (00:00005:01) RCVD Route Control Ack from L4
01:06:31.610 CALL(SIP) (00:00005:01) Session Group Profile ID is 0
01:06:31.610 CALL(SIP) (00:00005:01) SENT Route Control to L4
01:06:31.610 CALL(L4)  (00:00005:01) RCVD Route Control from SIP
01:06:31.610 CALL(L4)  (00:00005:01) Accessing IP Bearer Profiles
01:06:31.610 CALL(L4)  (00:00005:01) Profile Id 1 (RG 769)
01:06:31.610 CALL(L4)  (00:00005:01) SENT Route Control Ack to SIP
01:06:31.610 CALL(SIP) (00:00005:01) RCVD Route Control Ack from L4
01:06:31.610 CALL(SIP) (00:00005:01) SENT INVITE W/SDP to 10.10.1.32:5060 Cseq:1
01:06:31.610 CALL(SIP) (00:00005:01)      with R-URI: 10.10.1.32:5060 UDP
01:06:31.610 CALL(SIP) (00:00005:01)      and Call-id: 484b-409-0219701631-IMG-Subbu-0-10.10.1.211
01:06:31.610 CALL(SIP) (00:00005:01)
                        <--- [10.10.1.32, 5060 <- 10.10.1.211, 5060]
                       INVITE sip:11111@10.10.1.32:5060 SIP/2.0\r\n
                       Via: SIP/2.0/UDP 10.10.1.211:5060;rport;branch=z9hG4bK-398d-90391-4990-150\r\n
                       Call-ID: 484b-409-0219701631-IMG-Subbu-0-10.10.1.211\r\n
                       CSeq: 1 INVITE\r\n
                       Max-Forwards: 70\r\n
                       To: <sip:11111;phone-context=unknown@10.10.1.32:5060>\r\n
                       From: Eyebeam<sip:99999;phone-context=unknown@10.10.1.211>;tag=95ffcd055e0f78f7d5d397020e89288dad6251c6\r\n
                       User-Agent: Dialogic-SIP/10.5.2.27 IMG-Subbu 0\r\n
                       Contact: <sip:99999@10.10.1.211:5060>\r\n
                       Allow: INVITE, BYE, REGISTER, ACK, OPTIONS, CANCEL, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE\r\n
                       Supported: path, replaces, timer, tdialog\r\n
                       Session-Expires: 1800\r\n
                       Expires: 300\r\n
                       Organization: Dialogic\r\n
                       Content-Type: application/sdp\r\n
                       Content-Length: 218\r\n
                       \r\n
                       v=0\r\n
                       o=Dialogic_SDP 0 0 IN IP4 10.10.1.211\r\n
                       s=Dialogic-SIP\r\n
                       c=IN IP4 10.10.1.190\r\n
                       t=0 0\r\n
                       m=audio 8036 RTP/AVP 0 101\r\n
                       a=rtpmap:0 PCMU/8000\r\n
                       a=rtpmap:101 telephone-event/8000\r\n
                       a=fmtp:101 0-15\r\n
                       a=silenceSupp:off - - - -\r\n
01:06:31.640 CALL(SIP) (00:00005:01) RCVD 180 Ringing WO/SDP from 10.10.1.32:5060 udp CSeq:1 Msg Size:413
01:06:31.640 CALL(SIP) (00:00005:01)
                        ---> [10.10.1.32, 5060 -> 10.10.1.211, 5060]
                       SIP/2.0 180 Ringing\r\n
                       Via: SIP/2.0/UDP 10.10.1.211:5060;rport;branch=z9hG4bK-398d-90391-4990-150\r\n
                       From: Eyebeam<sip:99999;phone-context=unknown@10.10.1.211>;tag=95ffcd055e0f78f7d5d397020e89288dad6251c6\r\n
                       To: <sip:11111;phone-context=unknown@10.10.1.32:5060>;tag=2008SIPpTag015\r\n
                       Call-ID: 484b-409-0219701631-IMG-Subbu-0-10.10.1.211\r\n
                       CSeq: 1 INVITE\r\n
                       Contact: <sip:10.10.1.32:5060;transport=UDP>\r\n
                       Content-Length: 0\r\n
                       \r\n
01:06:31.640 CALL(SIP) (00:00005:01) SENT Outseize Ack to L4
01:06:31.640 CALL(SIP) (00:00005:01) SENT Alerting to L4
01:06:31.640 CALL(SIP) (00:00005:01) RCVD 200 OK INVITE W/SDP from 10.10.1.32:5060 udp CSeq:1 Msg Size:573
01:06:31.640 CALL(SIP) (00:00005:01)
                        ---> [10.10.1.32, 5060 -> 10.10.1.211, 5060]
                       SIP/2.0 200 OK\r\n
                       Via: SIP/2.0/UDP 10.10.1.211:5060;rport;branch=z9hG4bK-398d-90391-4990-150\r\n
                       From: Eyebeam<sip:99999;phone-context=unknown@10.10.1.211>;tag=95ffcd055e0f78f7d5d397020e89288dad6251c6\r\n
                       To: <sip:11111;phone-context=unknown@10.10.1.32:5060>;tag=2008SIPpTag015\r\n
                       Call-ID: 484b-409-0219701631-IMG-Subbu-0-10.10.1.211\r\n
                       CSeq: 1 INVITE\r\n
                       Contact: <sip:10.10.1.32:5060;transport=UDP>\r\n
                       Content-Type: application/sdp\r\n
                       Content-Length:  131\r\n
                       \r\n
                       v=0\r\n
                       o=user1 53655765 2353687637 IN IP4 10.10.1.32\r\n
                       s=-\r\n
                       c=IN IP4 10.10.1.32\r\n
                       t=0 0\r\n
                       m=audio 6000 RTP/AVP 0\r\n
                       a=rtpmap:0 PCMU/8000\r\n
01:06:31.640 CALL(SIP) (00:00005:01) Session Refresh is not Needed
01:06:31.640 CALL(SIP) (00:00005:01) SENT ACK to 10.10.1.32:5060 Cseq:1
01:06:31.640 CALL(SIP) (00:00005:01)      with R-URI: 10.10.1.32:5060 UDP
01:06:31.640 CALL(SIP) (00:00005:01)
                        <--- [10.10.1.32, 5060 <- 10.10.1.211, 5060]
                       ACK sip:10.10.1.32:5060 SIP/2.0\r\n
                       Via: SIP/2.0/UDP 10.10.1.211:5060;rport;branch=z9hG4bK-665-90391-4990-150\r\n
                       Call-ID: 484b-409-0219701631-IMG-Subbu-0-10.10.1.211\r\n
                       CSeq: 1 ACK\r\n
                       Max-Forwards: 70\r\n
                       To: <sip:11111@10.10.1.32:5060>;tag=2008SIPpTag015\r\n
                       From: <sip:99999@10.10.1.211>;tag=95ffcd055e0f78f7d5d397020e89288dad6251c6\r\n
                       User-Agent: Dialogic-SIP/10.5.2.27 IMG-Subbu 0\r\n
                       Content-Length: 0\r\n
                       \r\n
01:06:31.640 CALL(SIP) (00:00005:01) m line codec list:  0
01:06:31.640 CALL(SIP) (00:00005:01) RTP Type: 0, name: PCMU, clk: 8000
01:06:31.640 CALL(SIP) (00:00005:01) SENT CDR Msg Event to L4
01:06:31.640 CALL(SIP) (00:00005:01) Set media src IP 10.10.1.190:8036
01:06:31.640 CALL(SIP) (00:00005:01) Set media dst IP 10.10.1.32:6000
01:06:31.640 CALL(SIP) (00:00005:01) CODEC Negotiation Priority LOCAL
01:06:31.640 CALL(SIP) (00:00005:01) Set media PLD ID 2
01:06:31.640 CALL(SIP) (00:00005:01) Set media PLD Size 20, Multiplier:4
01:06:31.640 CALL(SIP) (00:00005:01) RFC 2833 DTMF Relay Disabled,method=1
01:06:31.640 CALL(SIP) (00:00005:01) Set Fax Type to Bypass
01:06:31.640 CALL(SIP) (00:00005:01) Source Port Validation : Enabled
01:06:31.640 CALL(SIP) (00:00005:01) SENT L3-L3 Outseize Ctrl to VPPL
01:06:31.640 CALL(L4)  (00:00005:01) RCVD Outseize ACK  from SIP
01:06:31.640 CALL(L4)  (00:00005:01) RVCD Alerting  from SIP
01:06:31.640 CALL(L4)  (00:00005:01) SENT CDR Msg Event to GCL
01:06:31.640 CALL(IP)  (00:00005:01) RCVD Outseize ([vts 9] [m0.1.2]) from L3P(span 4096 chan 9)
01:06:31.640 CALL(IP)  (00:00005:01) RTP: (Src) 10.10.1.190:8036
01:06:31.640 CALL(IP)  (00:00005:01) RTP: (Dst) 10.10.1.32:6000
01:06:31.640 CALL(GCL) (00:00005:01) RCVD CDR Msg Event from L4
01:06:31.640 CALL(GCL) (00:00005:00) SENT Connect Tone to L4
01:06:31.640 CALL(L4)  (00:00005:00) RCVD Connect Tone from GCL
01:06:31.640 CALL(L4)  (00:00005:00) SENT Request DSP Service to SYSRM
01:06:31.640 CALL(MED) (00:00005:00) Transmitting tone 0x2 on (0x2,0x1,0x0)
01:06:31.640 CALL(MED) (00:00005:00) RCVD OUTPULSE CP from L4
01:06:31.640 CALL(GCL) (00:00005:00) SENT Connect w/Pad Response to L4
01:06:31.640 CALL(L4)  (00:00005:01) SENT Alerting to L4
01:06:31.640 CALL(L4)  (00:00005:00) SENT Progress to SIP
01:06:31.640 CALL(SIP) (00:00005:01) RCVD Host Connect from L4
01:06:31.640 CALL(SIP) (00:00005:00) RCVD Progress from L4
01:06:31.640 CALL(SIP) (00:00005:00) Set media src IP 10.10.1.190:8032
01:06:31.640 CALL(SIP) (00:00005:00) Set media dst IP 10.10.1.32:9764
01:06:31.640 CALL(SIP) (00:00005:00) CODEC Negotiation Priority LOCAL
01:06:31.640 CALL(SIP) (00:00005:00) Set media PLD ID 2
01:06:31.650 CALL(SIP) (00:00005:00) Set media PLD Size 20, Multiplier:4
01:06:31.650 CALL(SIP) (00:00005:00) RFC 2833 DTMF Relay Enabled, pld type 101
01:06:31.650 CALL(SIP) (00:00005:00) Set Fax Type to Bypass
01:06:31.650 CALL(SIP) (00:00005:00) Source Port Validation : Enabled
01:06:31.650 CALL(SIP) (00:00005:00) SENT L3-L3 Outseize Ctrl to VPPL
01:06:31.650 CALL(IP)  (00:00005:00) RCVD Outseize ([vts 8] [m0.0.2]) from L3P(span 4096 chan 8)
01:06:31.650 CALL(IP)  (00:00005:00) RTP: (Src) 10.10.1.190:8032
01:06:31.650 CALL(IP)  (00:00005:00) RTP: (Dst) 10.10.1.32:9764
01:06:31.660 CALL(IP)  (00:00005:01) SrcPortValidation: Enabled
01:06:31.660 CALL(IP)  (00:00005:00) SrcPortValidation: Enabled
01:06:31.660 CALL(IP)  (00:00005:01) VoIP Codec is G711Mulaw; Payload Size is 20 msec
01:06:31.660 CALL(IP)  (00:00005:00) VoIP Codec is G711Mulaw; Payload Size is 20 msec
01:06:31.660 CALL(IP)  (00:00005:00) RFC2833 DTMF Relay in use, Dynamic PayloadType is 101
01:06:31.660 CALL(IP)  (00:00005:01) Initial MID is disabled
01:06:31.660 CALL(IP)  (00:00005:01) SENT Outseize ACK (toPvid: x66) to L3P
01:06:31.660 CALL(SIP) (00:00005:01) RCVD Outseize Ack from VPPL
01:06:31.660 CALL(SIP) (00:00005:01) SENT Connect to L4
01:06:31.660 CALL(SIP) (00:00005:01) RCVD Cut Thru from VPPL
01:06:31.660 CALL(SIP) (00:00005:01) RCVD Connect from VPPL
01:06:31.660 CALL(L4)  (00:00005:01) RCVD Connect  from SIP
01:06:31.660 CALL(L4)  (00:00005:01) SENT CPE of ANSWER  to GCL
01:06:31.660 CALL(L4)  (00:00005:01) SENT connect_1way: r_ts=0x408 l_ts=0x409 to TSI
01:06:31.660 CALL(L4)  (00:00005:00) SENT connect_1way: r_ts=0x409 l_ts=0x408 to TSI
01:06:31.660 CALL(GCL) (00:00005:01) RCVD CPE of ANSWER  from L4
01:06:31.660 CALL(GCL) (00:00005:01) SENT Call Answered to GCL
01:06:31.660 CALL(GCL) (00:00005:00) SENT Disconnect Tone to L4
01:06:31.660 CALL(L4)  (00:00005:00) RCVD Disconnect Tone from GCL
01:06:31.660 CALL(L4)  (00:00005:00) SENT Cancel DSP Service to SYSRM
01:06:31.660 CALL(IP)  (00:00005:00) Initial MID is disabled
01:06:31.660 CALL(MED) (00:00005:00) RCVD CANCEL OUTPULSE CP/DIGITS from L4
01:06:31.660 CALL(GCL) (00:00005:00) SENT CPE of ANSWER  to L4
01:06:31.660 CALL(IP)  (00:00005:00) SENT Outseize ACK (toPvid: x66) to L3P
01:06:31.660 CALL(L4)  (00:00005:00) RCVD CPE of ANSWER from GCL
01:06:31.660 CALL(L4)  (00:00005:00) SENT Connect to SIP
01:06:31.660 CALL(L4)  (00:00005:01) SENT Connect to SIP
01:06:31.660 CALL(SIP) (00:00005:00) RCVD Outseize Ack from VPPL
01:06:31.670 CALL(SIP) (00:00005:00) SENT 183 Session Progress W/SDP to 10.10.1.32:5080 UDP
01:06:31.670 CALL(SIP) (00:00005:00)
                        <--- [10.10.1.32, 5080 <- 10.10.1.211, 5060]
                       SIP/2.0 183 Session Progress\r\n
                       Via: SIP/2.0/UDP 10.10.1.32:5080;branch=z9hG4bK-d87543-a6754b0ddd7d736d-1--d87543-;rport;received=10.10.1.32\r\n
                       Call-ID: 7501ba23b61e2e4a@QkxSS0VDNTUwNDNELmFkLmluZm9zeXMuY29t\r\n
                       From: "Eyebeam"<sip:99999@img-sip.com>;tag=d45cd926\r\n
                       To: <sip:11111@img-sip.com>;tag=a94c095b773be1dd6e8d668a785a9c8422ec5c8a\r\n
                       Contact: <sip:11111@10.10.1.211:5060>\r\n
                       CSeq: 1 INVITE\r\n
                       Allow: OPTIONS, CANCEL, UPDATE\r\n
                       Server: Dialogic-SIP/10.5.2.27 IMG-Subbu 0\r\n
                       Content-Type: application/sdp\r\n
                       Content-Length: 230\r\n
                       \r\n
                       v=0\r\n
                       o=Dialogic_SDP 0 0 IN IP4 10.10.1.211\r\n
                       s=Dialogic-SIP\r\n
                       c=IN IP4 10.10.1.190\r\n
                       t=0 0\r\n
                       m=audio 8032 RTP/AVP 0 101\r\n
                       a=rtpmap:0 PCMU/8000\r\n
                       a=rtpmap:101 telephone-event/8000\r\n
                       a=fmtp:101 0-15\r\n
                       a=silenceSupp:off - - - -\r\n
                       a=ptime:20\r\n
01:06:31.670 CALL(SIP) (00:00005:00) RCVD Cut Thru from VPPL
01:06:31.670 CALL(SIP) (00:00005:00) RCVD Connect from VPPL
01:06:31.670 CALL(SIP) (00:00005:00) RCVD Connect from L4
01:06:31.670 CALL(SIP) (00:00005:00) Session Refresh is not Needed
01:06:31.670 CALL(SIP) (00:00005:00) SENT 200 OK INVITE W/SDP to 10.10.1.32:5080 UDP
01:06:31.670 CALL(SIP) (00:00005:00)
                        <--- [10.10.1.32, 5080 <- 10.10.1.211, 5060]
                       SIP/2.0 200 OK\r\n
                       Via: SIP/2.0/UDP 10.10.1.32:5080;branch=z9hG4bK-d87543-a6754b0ddd7d736d-1--d87543-;rport;received=10.10.1.32\r\n
                       Call-ID: 7501ba23b61e2e4a@QkxSS0VDNTUwNDNELmFkLmluZm9zeXMuY29t\r\n
                       From: "Eyebeam"<sip:99999@img-sip.com>;tag=d45cd926\r\n
                       To: <sip:11111@img-sip.com>;tag=a94c095b773be1dd6e8d668a785a9c8422ec5c8a\r\n
                       Contact: <sip:11111@10.10.1.211:5060>\r\n
                       CSeq: 1 INVITE\r\n
                       Server: Dialogic-SIP/10.5.2.27 IMG-Subbu 0\r\n
                       Allow: INVITE, BYE, REGISTER, ACK, OPTIONS, CANCEL, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE\r\n
                       Supported: path, replaces, timer, tdialog\r\n
                       Accept: application/sdp, application/dtmf-relay, text/plain\r\n
                       Content-Type: application/sdp\r\n
                       Content-Length: 230\r\n
                       \r\n
                       v=0\r\n
                       o=Dialogic_SDP 0 1 IN IP4 10.10.1.211\r\n
                       s=Dialogic-SIP\r\n
                       c=IN IP4 10.10.1.190\r\n
                       t=0 0\r\n
                       m=audio 8032 RTP/AVP 0 101\r\n
                       a=rtpmap:0 PCMU/8000\r\n
                       a=rtpmap:101 telephone-event/8000\r\n
                       a=fmtp:101 0-15\r\n
                       a=silenceSupp:off - - - -\r\n
                       a=ptime:20\r\n
01:06:31.670 CALL(SIP) (00:00005:01) RCVD Connect from L4
01:06:31.780 CALL(SIP) (00:00005:00) RCVD ACK from 10.10.1.32:5080 udp CSeq:1 Msg Size:458
01:06:31.780 CALL(SIP) (00:00005:00)      with Via sent-by: 10.10.1.32 udp
01:06:31.780 CALL(SIP) (00:00005:00)
                        ---> [10.10.1.32, 5080]
                       ACK sip:11111@10.10.1.211:5060 SIP/2.0\r\n
                       Via: SIP/2.0/UDP 10.10.1.32:5080;branch=z9hG4bK-d87543-3345217606029935-1--d87543-;rport\r\n
                       Max-Forwards: 70\r\n
                       Contact: <sip:99999@10.10.1.32:5080>\r\n
                       To: <sip:11111@img-sip.com>;tag=a94c095b773be1dd6e8d668a 785a9c8422ec5c8a\r\n
                       From: "Eyebeam"<sip:99999@img-sip.com>;tag=d45cd926\r\n
                       Call-ID: 7501ba23b61e2e4a@QkxSS0VDNTUwNDNELmFkLmluZm9zeXMuY29t\r\n
                       CSeq: 1 ACK\r\n
                       User-Agent: eyeBeam release 3010n stamp 19039\r\n
                       Content-Length: 0\r\n
                       \r\n
01:06:33.960 CALL(SIP) (00:00005:00) RCVD BYE from 10.10.1.32:5080 udp CSeq:2 Msg Size:458
01:06:33.960 CALL(SIP) (00:00005:00)      with Via sent-by: 10.10.1.32 UDP
01:06:33.960 CALL(SIP) (00:00005:00)
                        ---> [10.10.1.32, 5080]
                       BYE sip:11111@10.10.1.211:5060 SIP/2.0\r\n
                       Via: SIP/2.0/UDP 10.10.1.32:5080;branch=z9hG4bK-d87543-491c7f70952a4b20-1--d87543-;rport\r\n
                       Max-Forwards: 70\r\n
                       Contact: <sip:99999@10.10.1.32:5080>\r\n
                       To: <sip:11111@img-sip.com>;tag=a94c095b773be1dd6e8d668a785a9c8422ec5c8a\r\n
                       From: "Eyebeam"<sip:99999@img-sip.com>;tag=d45cd926\r\n
                       Call-ID: 7501ba23b61e2e4a@QkxSS0VDNTUwNDNELmFkLmluZm9zeXMuY29t\r\n
                       CSeq: 2 BYE\r\n
                       User-Agent: eyeBeam release 3010n stamp 19039\r\n
                       Content-Length: 0\r\n
                       \r\n
01:06:33.960 CALL(SIP) (00:00005:00) SENT L3-L3 Clear Req to VPPL
01:06:33.960 CALL(IP)  (00:00005:00) RCVD Clear Request from L3P
01:06:33.960 CALL(IP)  (00:00005:00) RTCP STATS: TxPackets=113; RxPackets=107;lostPackets=0
01:06:33.960 CALL(SIP) (00:00005:00) RCVD Clear Req from VPPL
01:06:33.960 CALL(SIP) (00:00005:00) SENT Clear Request to L4
01:06:33.960 CALL(SIP) (00:00005:00) SENT 200 OK BYE to 10.10.1.32:5080 UDP
01:06:33.960 CALL(SIP) (00:00005:00)
                        <--- [10.10.1.32, 5080 <- 10.10.1.211, 5060]
                       SIP/2.0 200 OK\r\n
                       Via: SIP/2.0/UDP 10.10.1.32:5080;branch=z9hG4bK-d87543-491c7f70952a4b20-1--d87543-;rport;received=10.10.1.32\r\n
                       Call-ID: 7501ba23b61e2e4a@QkxSS0VDNTUwNDNELmFkLmluZm9zeXMuY29t\r\n
                       From: "Eyebeam"<sip:99999@img-sip.com>;tag=d45cd926\r\n
                       To: <sip:11111@img-sip.com>;tag=a94c095b773be1dd6e8d668a785a9c8422ec5c8a\r\n
                       Contact: <sip:11111@10.10.1.211:5060>\r\n
                       CSeq: 2 BYE\r\n
                       Server: Dialogic-SIP/10.5.2.27 IMG-Subbu 0\r\n
                       Content-Length: 0\r\n
                       \r\n
01:06:33.960 CALL(L4)  (00:00005:00) RCVD Clear request  from SIP
01:06:33.960 CALL(L4)  (00:00005:00) SENT disconnect: r_ts=0x409 l_ts=0x408 toTSI
01:06:33.960 CALL(L4)  (00:00005:01) SENT disconnect: r_ts=0x408 l_ts=0x409 toTSI
01:06:33.960 CALL(L4)  (00:00005:00) SENT Channel Release w/data to GCL
01:06:33.960 CALL(GCL) (00:00005:00) RCVD Channel Released w/data, cause=16 from L4
01:06:33.960 CALL(GCL) (00:00005:00) Call Duration(sec): 2
01:06:33.960 CALL(GCL) (00:00005:00) SENT Clear Call Request to GCL
01:06:33.970 CALL(GCL) (00:00005:01) SENT Clear Response, cause=16 to L4
01:06:33.970 CALL(L4)  (00:00005:01) RCVD Clear, cause=16 from GCL
01:06:33.970 CALL(L4)  (00:00005:01) SENT Clear Request, cause=16 to SIP
01:06:33.970 CALL(SIP) (00:00005:01) RCVD Clear Request from L4
01:06:33.970 CALL(SIP) (00:00005:01) SENT BYE to 10.10.1.32:5060 Cseq:2
01:06:33.970 CALL(SIP) (00:00005:01)      with R-URI: 10.10.1.32:5060 UDP
01:06:33.970 CALL(SIP) (00:00005:01)
                        <--- [10.10.1.32, 5060 <- 10.10.1.211, 5060]
                       BYE sip:10.10.1.32:5060 SIP/2.0\r\n
                       Via: SIP/2.0/UDP 10.10.1.211:5060;rport;branch=z9hG4bK-111-90393-4990-150\r\n
                       Call-ID: 484b-409-0219701631-IMG-Subbu-0-10.10.1.211\r\n
                       CSeq: 2 BYE\r\n
                       Max-Forwards: 70\r\n
                       To: <sip:11111@10.10.1.32:5060>;tag=2008SIPpTag015\r\n
                       From: <sip:99999@10.10.1.211>;tag=95ffcd055e0f78f7d5d397020e89288dad6251c6\r\n
                       User-Agent: Dialogic-SIP/10.5.2.27 IMG-Subbu 0\r\n
                       Reason: SIP ;cause=16 ;text="Normal call clearing"\r\n
                       Content-Length: 0\r\n
                       \r\n
01:06:34.080 CALL(SIP) (00:00005:01) RCVD 200 OK BYE from 10.10.1.32:5060 udp CSeq:2 Msg Size:353
01:06:34.080 CALL(SIP) (00:00005:01)
                        ---> [10.10.1.32, 5060 -> 10.10.1.211, 5060]
                       SIP/2.0 200 OK\r\n
                       Via: SIP/2.0/UDP 10.10.1.211:5060;rport;branch=z9hG4bK-111-90393-4990-150\r\n
                       From: <sip:99999@10.10.1.211>;tag=95ffcd055e0f78f7d5d397020e89288dad6251c6\r\n
                       To: <sip:11111@10.10.1.32:5060>;tag=2008SIPpTag015\r\n
                       Call-ID: 484b-409-0219701631-IMG-Subbu-0-10.10.1.211\r\n
                       CSeq: 2 BYE\r\n
                       Contact: <sip:10.10.1.32:5060;transport=UDP>\r\n
                       Content-Length: 0\r\n
                       \r\n
01:06:34.080 CALL(SIP) (00:00005:01) SENT L3-L3 Clear Req to VPPL
01:06:34.080 CALL(IP)  (00:00005:01) RCVD Clear Request from L3P
01:06:34.080 CALL(IP)  (00:00005:01) RTCP STATS: TxPackets=120; RxPackets=0; lostPackets=0
01:06:34.080 CALL(SIP) (00:00005:01) RCVD Clear Req from VPPL
01:06:34.080 CALL(SIP) (00:00005:01) SENT Clear Request to L4
01:06:34.080 CALL(L4)  (00:00005:01) RCVD Clear request  from SIP
01:06:34.080 CALL(L4)  (00:00005:01) SENT Channel Release w/data to GCL
01:06:34.080 CALL(GCL) (00:00005:01) RCVD Channel Released w/data, cause=16 from L4
01:06:34.080 CALL(GCL) (00:00005:01) Call Duration(sec): 3

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