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I'd suggest adding a network diagram showing where you added HSRP and where the PBX is, and also including which Avaya PBX (there are many).
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Has anyone experienced any issues with Avaya PBX when using HSRP?<br>We made a changed last weekend on our switches; these switches connect to another switch that handles all voice traffic. Only change was adding HSRP.<br>Now, the Voice team has reported "issues related to voicemail integration between the ESNA voice server and the PBX system"<br><br>any input?
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Has anyone experienced any issues with Avaya PBX when using HSRP?
We made a changed last weekend on our switches; these switches connect to another switch that handles all voice traffic. Only change was adding HSRP.
Now, the Voice team has reported "issues related to voicemail integration between the ESNA voice server and the PBX system"
any input?

Avaya PBX and HSRP

IP telephony (Internet Protocol telephony) is a general term for the technologies that use the Internet Protocol's packet-switched connections to exchange voice, fax, and other forms of information that have traditionally been carried over the dedicated circuit-switched connections of the public switched telephone network (PSTN). Using the Internet, calls travel as packets of data on shared lines, avoiding the tolls of the PSTN. The challenge in IP telephony is to deliver the voice, fax, or video packets in a dependable flow to the user.

IP Telephony

A switch is a device that filters and forwards packets of data between LAN segments. Switches operate at the data link layer or the network layer of the Open Systems Interconnection (OSI) Reference Model and therefore support any packet protocol. LANs that use switches to join segments are called switched LANs or, in the case of Ethernet networks, switched Ethernet LANs. A hub is a connection point for devices in a network. Hubs are commonly used to connect segments of a LAN. A hub contains multiple ports; when a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.