Specifications

TD 92326GB
2009-03-10 / Ver. E
Installation and Operation Manual
VoIP Gateway
122
• The protocol is in this case 5ESS and PRI1 is to be connected to a Meridian. T1 is used
and the codec is G.711 with µ-law encoding.
• The Meridian PBX has only TE mode implemented which means that the VoIP Gateway
PRI interface must be set to NT mode.
• The clock is derived from the Meridian which means that the VoIP Gateway PRI
interface must be set to slave (default setting for NT mode is master).
Select PRI Protocol
1 Select PRI1 >Protocol.
2 Select “5ESS” in the Protocol drop-down list.
Figure 108. Select protocol
3 Click “OK”.
If 46 channels are needed, repeat with PRI3.
Connect PRI1 to the Meridian
1 Select PRI1 > Physical.
2 Enable “NT Mode”, “µ-Law” and “T1” check-boxes. (PBX dependent).
3 Select “Slave” in the Clock Mode drop-down list. (PBX dependent).
Figure 109. Set PBX dependent PRI settings
4 Click “OK”.
If PRI3 is to be used, repeat with “PRI3” but remember to enable the Do not use for
Synchronization checkbox.
Figure 110. Only one PRI can be used for synchronization.