SIP Trunk refers as a direct connection between your organization and an Internet telephony service provider (ITSP). It enables you to extend voice over IP (VoIP) telephony beyond your organization’s firewall without the need for an IP-PSTN gateway. This simpler configuration is easier and less expensive to design, operate, maintain, and upgrade.
About Calncall SIP Trunk Service :
CalnCall SIP Trunk provides high quality services for IP-PBX and IP phones.
Certified to work well with major IP-PBX system like 3CX, Asokizia, Allo, Asterisk, Grandstream, Cisco, Avaya, Beronet, Yealink, Htek and etc.
Supported Codec :G.729, GSM, G.711A, G.711U
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