Dial Peers: Wildcards and Voice Route Matching

Destination Pattern Wildcards

Wildcards

+ – Indicates E.164 number
. – Single Digit
[] – Range of numbers
^ – Negates a range (Anything but…)
T – Indicates variable length string up to 31 digits
⌗ – Indicates end of dialing

After 10 seconds, digits will timeout.

Destination Pattern Examples

1. 1234
Matches 1234! POTS dial-peers always strip any explicitly defined number.

2. 12…5
12 any 3 digits then 5
126495

3. 1[2-8]………
1255555511
13122122122

4. [^9]..
Anything but 9..
162
778

5. 11[24-6]1
1121
1141
1151
1161

6. 9T
9 anything up to 31 digits
90800505050

.T = At least 1 digits for outbound POTS dial-peers

Inbound/Outbound Dial Peer Selection

Outbound Dial Peers:

1. Closest match

2. Explicit preference

3. Random

Inbound Dial Peers:

1. Incoming Called-Number (DNIS)

2. Answer-Address (ANI)

3. Destination-Pattern (ANI)

4. Port Assignment (POTS ONLY)

*Preferences can be set in dial peers between 0-10. Lower = better

*dial-peer hunt ? 0 = DEFAULT

The forsaken default dial peer 0..

Dial Peer 0

  • Works for any CODEC
  • Has VAD enabled
  • Marks traffic as IP Precedence 0
  • Has no RSVP support
  • Supports Fax-Rate service
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