375 3918

 for accessing:

- web GUI - TCP 80, 443, 81

- ssh - TCP 2020

for SIP phones:

- TCP 10001, 5060-5069

- UDP 5060-5069, 10000-20000

for IAX phones:

- TCP 5038, 5037

- UDP 4569

for jabber:

- TCP 5222 or 5223