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SIP-Trunks

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Premium Ring Groups

Premium Ring Groups distribute inbound calls to multiple members. They support simultaneous, sequential, circular, and longest-idle ringing, plus schedules, holiday routing, announcements, recording, transcription, AI insights, alerts, webhooks, and secure download links.

FeaturedSIP-Trunks1 Jul 2026

Hybrid SIP Trunks - WebRTC credentials, password, TURN and calls by SIP URI

WebRTC password, WSS server and TURN settings for a Hybrid SIP trunk softphone or browser, plus incoming calls by SIP URI and *80 to skip call forwarding.

SIP-Trunks27 Sep 2026

Hybrid SIP Trunks - hold, transfer, recording, features and pricing

Hybrid SIP trunk features: hold, transfer, call recording, transcription, SIP REFER, call forwarding, WebRTC browser webphone, internal calling, parks and queues. $5 per Hybrid trunk per month.

SIP-Trunks27 Sep 2026

Hybrid SIP Trunk webhooks

Choose which Hybrid SIP Trunk call, recording and registration events to send, including chat apps, signing and delivery history.

SIP-Trunks26 Sep 2026

SIP Trunk Announcements - How To

How to set up an announcement for use with SIP Trunk routing

SIP-Trunks7 May 2026

SIP Trunk Auto Attendants / IVR - HOW TO

How to set up a SIP Trunk IVR/Auto Attendant. IVRs allow callers to press a keypad button to navigate an in-call menu to select a destination.

SIP-Trunks1 May 2026

SRTP call encryption - Hybrid SIP trunks, CrazyPBX and standard SIP trunks

SRTP encrypted calls (Secure RTP with SIPS/TLS) are supported on Hybrid SIP trunks and CrazyPBX, inbound and outbound. Standard SIP trunks do not support SRTP.

SIP-Trunks28 Dec 2025

Configuring Custom Outbound Proxy Settings

Issue: Occasionally, our system may not automatically connect you to the nearest Point of Presence (POP) due to your Internet Service Provider's (ISP) centralized DNS setup. This can result in slower connectivity.

SIP-Trunks28 Dec 2025
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