FAQ

Frequently asked questions about CommPeak Classic PBX

In this section, you’ll find answers to the questions about using CommPeak Classic PBX our customers ask us the most.

Following these best practices ensures high-quality, secure VoIP calls while minimizing network disruptions.

How Should I Set Up a VoIP Network With Dual ISPs?

Do I Need to Configure my Home Firewall for VoIP?

What PBX VoIP Network Firewall Settings Are Needed for Business Networks?

What Are CommPeak SIP Signaling Addresses?

Do You Support Any SIP TLS SRTP Encryption Methods?

Do I Have to Manage Load Balancing or Failover Across Multiple IP Addresses?

Do You Support DNS SRV Record?

What Are the IP Addresses and Port Ranges for Using Classic PBX?

Where Is my Traffic Sent to?

How Can I Whitelist Specific IPs Under Click2Call ACL?

Can I Activate CA TDM for my Account?

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IMPORTANT
For using your classic PBX, please disable SIP ALG on your firewall.
You can find the IP address of your classic PBX server at CommPeak Portal > Cloud PBX > PBX Instances.
Please check the PBX IP ACL Settings article to learn how to add IP addresses to Web, SIP, and Click2Call access lists and review the blocked IP addresses.

Updated 3 days ago