SIP call flow example

Last Updated : Apr 25, 2023 |

This SIP call flow example is a SIP trunking scenario where a test call is made from a PSTN trunk user (705030) to a Call Centre Elite user (604020) through Avaya SBC.

Trunk User —> ostn-cm —> pstn-asm —> SBC —> cce-asm —> cce-cm —> CCE user

SIP entities and IP addresses

The following table contains the IP addresses of the external SIP entities involved in this call flow.

For information about provisioning the Avaya SBC for routing the calls from PSTN trunk to the CCE server, see Provisioning for PSTN trunk Aura Session Manager.

The provisioning information in those tables provides a sample reference for examining the call flow example and might be incomplete.

SIP Entity

IP Addresses

Trunk User (705030)

10.129.1.35

PSTN Communication Manager

10.129.10.35

PSTN Aura Session Manager

10.129.3.82

Call Centre Elite Aura Session Manager

10.32.15.8

Call Centre Elite Communication Manager

10.32.11.1

Call Centre Elite User (604020)

10.32.4.5