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One-Stage Call:
1. If user dials 81123456, this call will hunt SIP_Trunk_1 and send 123456 to call out.
2. If user dials 82234567, this call will hunt SIP_Trunk_2 and send 234567 to call out.
3. If user dials 0345678, this call will hunt FXO_Gateway and send 345678 to call out.
Two-Stage Call:
1. If user dials 81 and hear the dial tone, then dial 123456. This call will hunt SIP_Trunk_1 and
send 123456 to call out.
2. If user dials 82 and hear the dial tone, then dial 234567. This call will hunt SIP_Trunk_2 and
send 234567 to call out.
3. If user dials 0 and hear the dial tone, then dial 345678. This call will hunt FXO_Gateway and
send 345678 to call out.
Trunk Management – Dialing Rules
When want to make VoIP calls through the above SIP Trunk or Gateway Trunk, the user can use the
“Dialing Rules” function to simplify the dialing number.
In the “Dialing Rules” settings: Maximum Entries: 100 records
Figure 3-20. Dialing Rules settings
Phone NO
Phone Number. is the leading digit of the call out dialing number.
Phone NO Pattern: “N” single digit from 2 to 9.
“z” single digit from 1 to 9.
“X” single digit from 0 to 9.
“.” unlimited length of digit.
Delete Length
Delete Length is the number of digits that will be stripped from
beginning of the dialed number.
Prefix NO
Prefix NO is the digits that will be added to the beginning of the
dialed number.
Table 3-13. Dialing Rules description
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