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Do you support DNS SRV record?

We only provide DNS A records to point to our SIP proxies. will provide different results based on GeoIP lookup.

Do I have to manage load-balancing or failover across multiple IP addresses?

CommPeak utilizes a virtual IP at each of its POPs for high availability. However, in case the entire local network (AS network) goes down, it may be useful to use multiple POPs for higher redundancy.

What dialing method should I use when sending calls?

CommPeak accepts E.164, for example: 14087658080, 442074938000.

Is Asterisk supported?

Any SIP compatible software or hardware is supported including Asterisk, FreeSWITCH, OpenSIPS, Snom, Linksys, 3CX, FreePBX, Trixbox, Cisco, eyeBeam, Bria, Zoiper, and many more.

What are CommPeak's SIP proxy addresses?

CommPeak has a large network of globally distributed POPs. We recommend making a ping test from your own network where the media servers are located to find the closest POP to your network:


You can always use which will attempt to determine the POP that is closest to you.

Due to technical limitations, it will not always return the best results for you. We are aware that not all SIP proxies support the DNS-based configuration of peers, which is why we will notify you via email in case we plan to change an IP address for a POP. However, we strongly advise using DNS-based configuration if possible.



For the list of CommPeak's IP addresses, you can refer to this article: CommPeak's IP Address Ranges‍ 

Do you support any SIP TLS/SRTP encryption methods?

CommPeak currently supports SIP TLS and SRTP.

Where is my traffic sent to?

CommPeak SIP Termination is a proxy service. We do not absorb media. Your media is routed directly to the closest demarcation point of the carriers.

Still need help?

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