Network & Troubleshooting

Articles

Heartbeat

Enable Heartbeat to run a basic ICMP connectivity check between 2talk and your network.

Trace

Use Trace to review recent SIP registration attempts, signaling activity, and basic call setup behavior.

SIP Capture Example

Use SIP capture examples to diagnose peering, trunking, caller ID presentation, and billing header issues.

Problems with DTMF

Troubleshoot DTMF issues when keypad selections fail in auto attendants, voicemail, conference bridges, or IVRs.

SIP Error Response Codes

Interpret common SIP response codes when troubleshooting registration, call setup, SIP devices, PBX systems, and trunks.

Ghost Calls

Prevent ghost calls caused by internet scans against exposed SIP phones or PBX systems.