FAQs

CallBoost is a real-time call routing engine that enhances call success rates by automatically rerouting calls based on previous outcomes

Read more about how calls are handled and optimized with CallBoost

The best practice is to allocate one ISP for VoIP traffic and another for data traffic.

Read more about setting up a VoIP network with dual ISPs

You can try using multiple PoPs for higher redundancy if the entire local network goes down.

Read more about managing load balancing or failover

CommPeak provides DNS A records to point to our SIP proxies.

Read more about DNS SRV record support

CommPeak supports encrypted SIP signaling over TLS and encrypted media transmission via SRTP.

Read more about supported SIP TLS SRTP encryption methods

The use of a VPN can impact VoIP calls in several ways.

Read more about how VPN affects VoIP calls

At the moment, we do not support the establishment of IPSec with customers but you can request this support.

Read more about IPSec integration with customers

For the best sound quality, all calls in CommPeak Dialer, CommPeak Cloud PBX, or CommPeak Softphone are default switched to G.722 HD wideband audio codec.

Read more about recommended codecs

CommPeak has a large network of globally distributed PoPs (SIP signaling points of presence). For the full list of CommPeak's current IP ranges check below.

Read more about CommPeak IP addresses

Your media is routed directly to the carriers' closest demarcation point.

Read more about traffic routing

You can generate a Call Records report (CDRs) to check the caller ID.

Read more about identifying triggered Caller ID rules

For the full list of CommPeak's current IP ranges check below.

Read more about CommPeak SIP signaling addresses

E.164 is the global standard for telephone numbering, ensuring every device within the PSTN possesses a globally unique number.

Read more about the E.164 global standard

You need to define your firewall or network settings to allow specific ports to ensure seamless connectivity for VoIP Services.

Read more about allowed ports for VoIP services

If you're experiencing blocked access, you can connect securely using TLS transport over specific ports.

Read more about what to do if Port 5061 is blocked

STUN and TURN are two essential protocols that ensure your SIP softphone (like CommPeak’s Softphone) can successfully make and receive calls when your device is behind a router or firewall.

Read more about STUN and TURN in SIP

Manual enabling SRTP (Secure Real-Time Transport Protocol) is required when using TLS for SIP transport.

Read more about using 3rd-party applications