ATCOM IPPBX IP02 User Manual download pdf (Page 49)

IPPBX IP02 User Manual

~ 47 ~ ATCOM TECHNOLOGY CO., LIMITED

If a number in blacklist dial into IPPBX, caller will hear following prompt: “Then number you have dialed is not in

service. Please check the number and try again.” Then system will then disconnect the call.

7.10 SIP Settings

1) General

UDP Port

Set the SIP port (UDP) which IPPBX is listening to.

Enable TCP

Enable TCP protocol for SIP.

TCP Port

Set the SIP port (TCP) which IPPBX is listening to.

Registration / Subscription Time Max

Maximum duration in seconds of a SIP registration / subscription.

Registration / Subscription Time Min

Minimum duration in seconds of a SIP registration / subscription.

RTP Port Min / Max

Set the RTP port range.

DTMF Mode

Set the default DTMF mode

2) NAT

Here provide other two solutions for SIP one-way-audio issue besides outbound proxy. Using any one is OK.

a. STUN

Just setting STUN server / port is OK.

There are many public STUN server on Internet: http://www.voip-info.org/wiki/view/STUN

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ATCOM IPPBX IP02 User Manual Page 49