Prerequisites

Before configuring SIP Proxy, you must:

• Configure the Domain Name System (DNS) Server to resolve the SIP Proxy FQDN by A and SRV records.

Requirement for third-party components

To successfully integrate any third-party component (SIP endpoints, gateways, softswitches) with SIP Proxy and SIP Server in a standalone deployment, the 3rd party component must be able to do both of the following:

• Resolve the SIP Proxy FQDN into multiple A-records
• Identify which SIP Proxy is active