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SIP trunk is a virtual connection that enables voice over internet protocol (VoIP) services for businesses. It functions as a bridge between the organization's private branch exchange (PBX) system and the internet, allowing for the transmission of voice, video, and other multimedia communications over the internet.
Concepts
This section contains some key concepts and terminology used throughout this documentation.
Authentication
Provide your IP and we will only allow certain IP addresses from your SIP infrastructure.
Recipient
Recipient numbers must be prefix + E.164 format.
Caller ID
If there is a specific need to contact us in advance, otherwise use the default Caller ID of our line.
Codecs
The following codecs are supported:
- PCMA (G711a)
- PCMU (G711u)
- iLBC
- G.723
- G.729
DTMF
YONI-TECH supports out-of-band DTMF. (RFC2833、SIP INFO)