Is there such a list? GV of no interest. pay providers offering free SIP plan?
which features on Obi* device supported
which SIP provider features supported
SIP TCP
SIP TCP TLS
mwi
codecs
non-5060 ports
audio proxying vs stun/turn
documented tweaks/hacks needed in certain situations
callcentric
sip2sip
antisip
fonosip
Quote from: rogera_bit on March 19, 2013, 04:43:03 AM
SIP TCP
SIP TCP TLS
http://anveo.com
Quotenon-5060 ports
http://callcentric.com
http://voip.ms
http://anveo.com
audio proxying vs stun/turn
find other providers by seeking iNum providers