Costa Tsaousis
2004-Feb-11 05:08 UTC
[Asterisk-Users] Noise and scratches when there are two concurrent CAPI calls
Hi, When I have two concurrent CAPI calls, * produces a lot of noises and scratches on both CAPI channels. I am using SIP phones; it appears on all phones, even if two separate SIP devices are connected to the two CAPI channels. The problem does not appear with any number of concurrent calls using SIP end-to-end (with * as a media gateway). I am using FritzCard! DSL (the ISDN part of it) and kernel 2.4.24 vanilla. Any help is appreciated. Costa
Hello Everyone.. I have successfully setup an Asterisk PBX here. Also, I do have it interface with our existing PBX system which is the Avaya Definity. I'm now on the process of migrating all our system setup, from Avaya to Asterisk and in this case, the ACD functionality. Below is the ACD script of our Avaya PBX. As you could see, I queue a certain skill/hunt group, then caller hears music for a specific period of time, example 60 seconds wait time, then after which, caller would hear a playback announcement telling him to stay on hold, then wait time again, then an option to leave a message on a mailbox, and so and so forth. I won't ask if this is possible with Asterisk cause I know Asterisk can do all the modern PBX functionalities..Just wonder if someone have already implement this and hoping you could share to me your scripts.. Thank in advance for the help... Regards :-) Joelson CALL VECTOR Number: 32 Name: Ispbrand ISP Basic? y EAS? y G3V4 Enhanced? y ANI/II-Digits? y ASAI Routing? n Prompting? y LAI? n G3V4 Adv Route? y CINFO? y BSR? y Holidays? y 01 wait-time 2 secs hearing ringback 02 announcement 5405 03 queue-to skill 12 pri t 04 wait-time 60 secs hearing music 05 announcement 5422 06 wait-time 60 secs hearing music 07 check skill 91 pri t if unconditionally 08 wait-time 60 secs hearing music 09 check skill 90 pri t if unconditionally 10 collect 1 digits after announcement 5406 11 route-to number 1308 with cov y if digit = 1 12 wait-time 120 secs hearing music 13 announcement 5417 14 wait-time 120 secs hearing music 15 announcement 5403 16 wait-time 3 mins hearing music 17 announcement 5404 18 wait-time 3 mins hearing music 19 announcement 5404 20 wait-time 3 mins hearing music 21 messaging skill 99 for extension 1308 22 stop
Costa Tsaousis
2004-Feb-11 11:24 UTC
[Asterisk-Users] High Density configuration for Voice & Fax
Hi, Are there any well known good H/W configurations for high density E1 setups supporting * and FAX? The response we got from digium about their cards, as far as FAX is concerned, is: "I would not depend upon them for FAX. It does work, but it is not completely reliable.". The minimum we would need is 4 x E1 on each system but both Voice and FAX at the same time. Also, I saw somewhere on the asterisk sites, that * can support up to 100 concurrent calls on a dual Xeon 1.8GHz when doing media conversion. We have a few projects that we will need PRI <-> GSM or G729 media conversion (for WAN use). Do you know any cards that can take care of the media conversion and free the CPUs (for use with * of course)? Kind regards, Costa
Costa Tsaousis
2004-Feb-13 02:04 UTC
[Asterisk-Users] CAPI noise and scratches - strange behavior
Hi all, Here are some additional info & findings: My system is dual PIII 933MHz, with a Gigabyte GA-6VXDC7 mobo. Asterisk produces noises and scratches when the system is IDLE and *BOTH* CAPI channels are active (with one CAPI channel everything is fine always). When the system is busy (CPUs at 100%), sound is perfect with *BOTH* CAPI channels active. Here is how I can reproduce the problem: If I keep one of my CPUs busy while both CAPI channels are active, the noises stop. Just a scratch here and there. I keep the CPU busy with this: # while [ 1 = 1 ]; do echo " " >/dev/null; done If I run this twice (to keep busy both CPUs), then the noises appear just every a few seconds. I can reproduce this every single time. Note that I have a TDM40B (4xFXS) Digium card installed that is supposed to provide a high resolution timer to asterisk. The effect is the same with this card enabled and disabled. I know the easy workaround: Run setiathome permanently :-) However, it seems that chan_capi has some timing problems... Any help? Costa On ???, 2004-02-11 at 14:08, Costa Tsaousis wrote:> Hi, > > When I have two concurrent CAPI calls, * produces a lot of noises and > scratches on both CAPI channels. > > I am using SIP phones; it appears on all phones, even if two separate SIP > devices are connected to the two CAPI channels. > > The problem does not appear with any number of concurrent calls using SIP > end-to-end (with * as a media gateway). > > I am using FritzCard! DSL (the ISDN part of it) and kernel 2.4.24 vanilla. > > Any help is appreciated. > > Costa >