[cisco-voip] destination-pattern "T" question

[Dew Swen]

Mehmet,

CUCM sends all digits at the same time, but legacy analog phones sends digit
by digit.


*-
Dew Swen
*

On Thu, Jun 25, 2009 at 11:17 AM, Mehmet Turunc <turunc.mehmet at gmail.com>wrote:

> Thanx for the reply Dew. I understand the general idea of your response.
> But I couldn't understand some points.
>
> When I open "debug dial-peer voice" debugging, and after that starting to
> dial digits, digit by digit matching happens. So, does it mean "by default
> digit by digit analysis happens"?
>
> For enabling en-bloc signaling which command should i use? I couldn't find
> more specific details.
>
>
>
>
> On Wed, Jun 24, 2009 at 11:12 PM, Dew Swen <dew.swen at gmail.com> wrote:
>
>> Well, let me tell u.
>>
>> Matching occurs digit by digit unless en-bloc is not been configured.
>>
>> The number is "90114989123456"
>>
>> When it is press to 9, none of the dial peers are matched.
>>
>> After 0 is pressed dial-peer 90 is matched beacuse of T parameter which
>> collects all digits. However, dial-peer 90110 still does not match.
>>
>> If dial-peer 90 does not exist, dial-peer 90110 matches "after all the
>> 9011 digits are pressed, and another digit is pressed".
>>
>>
>> On the other hand, if en-bloc is enabled, all digits are sent at the same
>> time. So 9T and 9011T are being processed at the same time. Because being a
>> longer prefix, dial-peer 90110 matches.
>>
>> Hope it is clear.
>>
>> Regards,
>> *
>> -
>> Dew Swen*
>>
>>
>> On Tue, Jun 23, 2009 at 12:44 PM, Mehmet Turunc <turunc.mehmet at gmail.com>wrote:
>>
>>> Hi all,
>>>
>>> I was studying Cisco Voice over IP (CVOICE) -Kevin Wallace 2009- and
>>> didn't understand this example, so I'm confused. Probably a newbee issue:)
>>>
>>> Router(config)#dial-peer voice 90 pots
>>> Router(config-dial-peer)#destination-pattern 9T
>>> Router(config-dial-peer)#port 0/0/0:23
>>> Router(config-dial-peer)#exit
>>> Router(config)#dial-peer voice 90110 pots
>>> Router(config-dial-peer)#destination-pattern 9011T
>>> Router(config-dial-peer)#port 0/0/1:23
>>>
>>> And the explanation:
>>>
>>> The following steps describe what occurs during the call in this example.
>>> 1. A user wants to call the international number 90114989123456 and
>>> starts to dial.
>>> 2. Because the first digit received is a 9, the gateway performs
>>> dial-peer matching.
>>> 3. Dial-peer 90 is matched, and any further digits are collected by the
>>> control character
>>> T that indicates the destination-pattern value is a variable-length dial
>>> string. (WHY? why doesnt longest prefix match?)
>>> 4. The user finishes dialing, and the call is routed using dial-peer 90.
>>> Dial-peer 90110
>>> will never be considered.
>>>
>>>
>>> For en bloc signaling, the DNIS is used, so the process is as follows:
>>> 1. A user wants to call the international number 90114989123456 and
>>> starts to dial.
>>> 2. Because en bloc signaling is enabled, the gateway continues to collect
>>> digits until the
>>> interdigit timeout value is exceeded.
>>> 3. The user finishes dialing, and the call is routed using dial-peer
>>> 90110.
>>>
>>> Thanks for the help
>>>
>>> _______________________________________________
>>> cisco-voip mailing list
>>> cisco-voip at puck.nether.net
>>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>>
>>>
>>
>
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