SIP-Trunks
SIP trunk registration, IP authentication, codecs, and PBX trunks.
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.
CGNAT setup recommendations for SIP trunks and VoIP devices
Carrier-Grade NAT (CGNAT) settings for SIP trunks and VoIP devices. When your ISP uses CGNAT, enable NAT Helper on the SIP Trunk, set a 180 second registration period, and enable Keep Alive on the VoIP device to keep registrations active and fix connectivity or registration problems.
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.
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.
Hybrid SIP Trunk webhooks
Choose which Hybrid SIP Trunk call, recording and registration events to send, including chat apps, signing and delivery history.
SIP Trunk Announcements - How To
How to set up an announcement for use with SIP Trunk routing
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.
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.
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.