My diary of software development

Posts tagged ‘Firewall’

Moving to the Clouds Part III–Getting IP Phones Working With TMG


Part I of this series is here

Part II of this series is here


By monitoring the TMG log while trying to make a call, I figured out what additional rules and network entities I needed:


An address range to PHONE.COM


A domain name set to SIP.PHONE.COM

SIP Phone Com

A new protocol I named RTP Pope

RTP Pope

A new protocol I named UDP 6060

UDP 6060

Two new firewall rules (Phone Init and NTP)



The VOIP phones have been working over Microsoft TMG for about 3 months now without problems.