https://www.voipdevops.com/blog/tags/sip/Recent content in SIP on VoIP DevOps Bloghttps://www.voipdevops.com/Logo/logo.pnghttps://www.voipdevops.com/Logo/logo.pngHugo -- 0.147.0en-usMon, 13 Apr 2026 00:00:00 +0000https://www.voipdevops.com/blog/posts/vapi-freeswitch-telnyx-ai-voice-agent/Mon, 13 Apr 2026 00:00:00 +0000https://www.voipdevops.com/blog/posts/vapi-freeswitch-telnyx-ai-voice-agent/Put a self-hosted FreeSWITCH PBX in front of a VAPI AI voice agent over a Telnyx SIP trunk — and transfer the call to a human agent on demand using SIP REFER.https://www.voipdevops.com/blog/posts/telekom-malaysia-multi-line-sip/Mon, 13 Apr 2026 00:00:00 +0000https://www.voipdevops.com/blog/posts/telekom-malaysia-multi-line-sip/Integrating a legacy Ericsson BP250 TDM PBX with the Telekom Malaysia (TM MLS) SIP network using a VoIP gateway and FreeSWITCH for SIP header manipulation and routing.