Silent Phone does not need any special configuration to be used with most firewalls. It does require that firewalls support TLS/TCP and UDP traffic. If you are configuring a corporate firewall, please ensure that the following ports are not specifically blocked.
|
Service |
Port |
Protocol |
Direction |
DNS |
|
SIP+TLS |
5061 - 443 |
TCP |
Out |
|
|
SRTP |
10000 - 65534 |
UDP |
Both |
|
|
STUN |
3478 - 3479 |
UDP |
Both |
stun01.silentcircle.net ; stun02.silentcircle.net |