Remote Ip Phones Behind Nat - Altigen ACM 6.5 Administration Manual

MAXCS connects the following application
through a firewall
External CDR Logger Service

Remote IP Phones Behind NAT

For remote IP phones behind NAT, you don't need to do any configuration. However, if
the remote firewall/NAT router blocks outgoing traffic, then you will need to open the
following ports on the remote firewall/NAT router:
UDP 10060
•
UDP 30,000~31,000
•
TCP 10064
•
TCP
10027
MAXCS ACM 6.5 Administration Manual 473
UDP