User manual

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GSM VOIP Gateway Series
GSM VOIP Gateway USER MANUAL – Rev1 – Technical Support: [e-mail]
COPYRIGHT ©2011 WITURA CORPORATION SDN BHD
Under the Gatekeeper mode, the GSM VOIP Gateway will forward all calls to the
VoIP network to this address.
Note: The value of this parameter must be standard ASCII characters.
F. Enable VOS/AVS Encryption
You can enable the VOS/AVS encryption.
G. Enable Authentication on(Auth)
Click “Enable Authentication” and enter the following parameters when you need
to set the H.235 authentication code and password.
The advance option of the GSM VOIP Gateway involves the signaling and media,
corresponding to “Advance Setting” and “Media” respectively.
Select “Advance Setting” under H.323 and the following setting page is displayed:
3.5.1.3 Advance Setting of the H.232
47
GSM VOIP Gateway Series
GSM VOIP Gateway USER MANUAL – Rev1 – Technical Support: [e-mail]
COPYRIGHT ©2011 WITURA CORPORATION SDN BHD
C. STUN (RFC 3489)
The Simple Traversal of UDP over NAT (STUN) is a protocol that enables the SIP
telephone to detect the existence and type of the firewall installed in the
computer. This parameter indicates the SIP address of the STUN server.
Note: The STUN protocol supports the SIP gateway only.
D. Trunk Agent
The trunk agent protocol is a firewall traversal technology developed by Witura
Corporation Sdn Bhd. It enables the products of by Witura Corporation Sdn Bhd to
be applicable for most LANs. It involves the address, port, user name and
password. The trunk agent protocol supports encryption on communications over
the gateway. This feature needs the support of the server developed by Witura
Corporation Sdn Bhd.
Media agent mode:
Mode 1: media encryption and agent (supported by all versions of relay
servers).
Mode 2: media encryption and agent, supporting the transit over the
specified port (supported by V2 relay server).
Mode 3: media encryption and agent for the conversion of RTP data to
TCP packet, supporting the transit over the specified port
(supported by the relay server later thanV2).
The GSM VOIP Gateway supports number dialing by rules. You can specify dialing
rules in the dialing rule parameter of the “Call Forwarding”.
1. You can specify multiple rules, which are separated by the delimiter ‘|’. For
example, “00:-00|0:-0+86|:+86755”.
2. The number is matched from the left of the dialing rules to the right. When the
number matches the correct rule, the number stops matching. Otherwise, the
number continues to match the next rule.
3. The rule format is “AA:-aa+bb”, such as “0:-0+86”. Where, “AA” indicates the
number to match and “-aa+bb” indicates detailed actions to be taken on the
number. If the number is successfully matched, “aa” is deducted and “bb” is
3.5.7 Dialing Rules
3.5.7.1 Format Of Dialing Rules