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Right click on the Profiles object and select New SIP Profiles. A SIP Profiles object will get created. The SIP Profiles object is a parent or container object and no configuration is required. Refer to the SIP Profiles topic for more information on this object.
Right click on the SIP Profiles object and select New SIP Profile. The first profile that gets created is a Default SIP Profile and cannot be modified. Disregard this profile.
Right click on the SIP Profiles object and select New SIP Profile again. In the SIP Profile object that appears, either enter a name that identifies this SIP Profile or accept the default name already entered. Refer to the SIP Profile - SGP topic for more information on this object.
Right click on the SIP Profile object and select New SIP Advanced Settings. Highlight the value in the Call Answer Timeout field and enter a new value. In the screen capture below, 10 minutes was entered.
Refer to the topic for more information.
Once the Call Answer Timeout has been configured, the SIP Profile can be selected in the drop down menu of the Profiles field in the External Gateway object on the outgoing or B Leg of the call.
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To stop the extra 183 Session Progress messages from being sent, the 183 Periodic Retransmission field was added to disable the SIP A leg from sending retransmitted 183 Session Progress messages. Refer to the Call Flow diagram below.
In the call scenario above, the 183 Periodic Retransmission field is set to Disabled. In this scenario, the IMG 2020 does not transmit any of the subsequent retransmitted 183 Session Progress messages to the A Leg. Only the 183 Session Progress messages that are interworked from the B Leg are transmitted.
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Right click on the Profiles object and select New SIP Profiles. A SIP Profiles object will get created. The SIP Profiles object is a parent or container object and no configuration is required. Refer to the topic for more information on this object.
Right click on the SIP Profiles object and select New SIP Profile. The first profile that gets created is a Default SIP Profile and cannot be modified. Disregard this profile.
Right click on the SIP Profiles object and select New SIP Profile again. In the SIP Profile object that appears, either enter a name that identifies this SIP Profile or accept the default name already entered. Refer to the topic for more information on this object.
Right click on the SIP Profile object and select New SIP Advanced Settings. Select Disabled from the drop down menu of the 183 Periodic Retransmission field. Refer to the screen capture below.
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Refer to the SIP Profile - Advanced Settings topic for more information.
Once the 183 Periodic Retransmission field has been configured, the SIP Profile can be selected in the drop down menu of the Profiles field in the External Gateway object on the incoming or A Leg of the call.
For information on configuring external gateways and channels groups in SIP, refer to the Configure SIP (Single SIP IP) or Configure SIP (Multiple SIP IP).