reducing dialout delay on Obi110 over the LINE interface
RonR:
Quote from: lk96 on December 27, 2011, 09:23:06 am
So optimizations will be needed for 11 and 15 digit numbers only.
If the call is processed by the OBi, there's no way to significantly shorten the re-dialing delay the OBi introduces. For an 11-digit number, this is 4.9 seconds. For an international call, each additional digit will add 0.4 seconds, plus there will be an extra 2 second timeout if you don't terminate the dialing with a # key.
The only way around this is to totally bypass the OBi by first pressing the # key to get a direct connection to the LINE Port.
lk96:
I took a quick look at the DigitMaps syntax.
Please let me know if my understanding on when digits are "played out" is correct.
In my case I want to optimize for the following cases so I was thinking that something like
the following is as good as it gets:
1xxxxxxxxxxS0 (11 digits)
011 xxx xxx xxx xxxS0 (15 digits)
00 xx xxx xxx xxx xxxS0 (14 digits)
The last two cases have to do with whether the SIP provider supports a 00<country code> prefix for
international calls or a 011<countrycode> prefix.
When exactly will the Obi determine that the call needs to be directed to the LINE interface,
take the line off-hook and start playing out? at the point that a partial match is unambiguous?
or when the full set of digits are entered ? For example, when I enter "011", isn't that
a unambiguous hint that calls goes to LINE?
thanks again for your continuous clarifications
L.
lk96:
or may be to rephrase my question in the previous post:
is there an explicit way to direct the Obi to go off hook as soon as
its determined that an international call is being placed (ie when 011 is dialed),
but without waiting for the complete number to be entered ?
thanks
L.
RonR:
The OBi will not touch the LINE Port until the entire number is dialed. The addition of special rules for 14- and 15-digit numbers will eliminate the delays incurred with indefinite match rules if you don't terminate dialing with a # key, but the redial delay of 0.5 seconds for dialtone plus 0.4 seconds per digit cannot be circumvented.
lk96:
What about a different approach:
if I want to automate the process of dialing a "#" before dialing anything so that LINE is connected to my
Vonage adaptor, can I enter a: <S2:#> rule? (ie if not digits are entered, dial # which will cause
LINE to go off hook ?
thanks
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