FAQsCommPeak VoIP Services FAQs Suggest EditsIn this section, you’ll find answers to the questions about using CommPeak VoIP Service our customers ask us the most. Following these best practices ensures high-quality, secure VoIP calls while minimizing network disruptions. How Are Calls Handled and Optimized with CallBoost? How Can I Set Up a VoIP Network With Dual ISPs? Do I Have to Manage Load Balancing or Failover Across Multiple IP Addresses? Do You Support DNS SRV Record? Do You Support Any SIP TLS SRTP Encryption Methods? Can VPN Affect VoIP Calls? Do You Support IPSec Integration With Customers? What Codecs Provide the Best Sound Quality? What Are CommPeak's Current IP Ranges? Where Is My Traffic Sent to? How to Learn Which Exactly Caller ID Rule Was Triggered? What is E.164 Standard? What Ports to Allow for CommPeak VoIP Services? What to Do if Port 5061 is Blocked? Important Note: Third-Party Applications Usage Updated 1 day ago Ask AI