User`s guide

PassFinder AP2520 VoIP Router/Gateway Operation Manual Version 1.10 / Mar. 2002
AddPac Technology Co., Ltd. -
332 -
z Channel selection order (optional) : In APVI-1E1 digital E1 VoIP interface module, when VoIP
calls are started via E1 or T1 interface module, the channel allocation can be allocated among
30 or 24 free channels as a ascending order from 1th channel or descending order from 31th
channel. This command can be used to determine the channel selection order. The default
mode is descending order from 31th channel. We recommend that channel selection order
should be opposite direction with PBX side.
router(config-controller-e1-0/0)# chan-number-order descending
z clock source (optional) :The clock source of AddPac E1 or T1 digital VoIP module is
configurable as a master clock mode or slave clock mode. The default mode is master clock
mode. To change the clock mode, AP2520G/R VoIP gateway provides the clock-source
command.
router(config-controller-e1-0/0)# clock-source slave
z R2 related setting (optional) : In case of R2 signaling, to get the calling party number information,
the following command configuration is necessary.
router(config-controller-e1-0/0)# r2 get-calling-number
z ISDN related setting (optional) : In ISDN signaling interface, one side is network mode, the
other side is user mode. The ISDN interface mode of PBX is user mode; the peer side (VoIP
gateway part) is network mode. The default mode in AddPac PRI VoIP module is network side.
To change the USER/NETWORK interface mode, isdn protocol-emulate command can be used.
router(config-controller-e1-0/0)# isdn protocol-emulate user
Also, ISDN Q.931 timer parameter (T303, T310, N303) is changeable by user requirements
5.8.6. POTS peer setting of APVI-1E1 Interface Module
(mandatory)
z In AddPac VoIP equipments, POTS peer must be existed for VoIP communication. Like as
analog interface such as FXS, FXO, the POTS peer setting of digital VoIP interface can be
performed using commands shown in following example.