Inter-operable System Index

Become a SIP Print Partner Inter-operable System Index Become a SIP Print Partner

 

AastraAdtranAllworx

Altigen Communications

Asterisk Trixbox Varients

AT&T

Broadsoft

Cisco

DigiumFonalityMetaswitch Networks

Mitel

Nortel SCS

Paetec

Panasonic

Plantronics Sound InnovationQwestSiemens

SIPfoundry

Verizon

Vertical

Windstream

Zultys