Displaying 20 results from an estimated 56 matches for "711u".
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2010 Mar 23
5
G.711a or G.711u ???
Dear all, I have an Asterisk SIP server in a LAN environment and I want your
opinion in order to decide the use of an audio codec:
What audio codec is better, G.711a or G.711u ??? Which suites to my LAN voip
calls ???
Thank you !!!
Alejandro
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2004 Jul 28
3
faxing
What are your experiences with faxing through Asterisk to the PSTN?
We are using g.711u as a codec, and are originating/terminating with Broadvox as
well as through our own PSTN gateways.
We have had some luck with incoming faxes coming into our network from Broadvox
DIDs. They work 50% of the time. Not sure yet on PSTN incoming since nobody
that is using FAX is in our local rate c...
2004 Nov 22
2
Polycom Problems
...#39;s, and just starting recently (after the
broadvoice patch I might add) after about 1-2 days these phones ring,
and answer, but we get no audio on the phones. The caller can hear us,
but we cannot hear the caller. Its happened 4-5 times and is only
intermittent. No errors on the console, using g.711u. Any ideas?
Tim Jackson
Network Engineer
Angelina County, Texas
(936)639-4827x101 office
(936)414-6723 mobile
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2006 Apr 18
6
T1 to cross connect remote PBX and asterisk
Looking for someone with a successful experience similar to this;
I have a need to cross connect a 3COM NBX PBX PRI interface to asterisk,
but over a long distance. We do not need any IP connectivity and the
solution requires G.711u audio so there is no benefit to using IP.
Has anyone here successfully cross connected any PBX PRI interface
expecting NI2 PRI signaling B8ZS/ESF with an asterisk box providing
PRI_Network signaling on a T1 interface card using a long haul point to
point ESF/B8ZS T1?
I do not need the techn...
2005 Sep 16
11
wav instead of gsm for vm-sounds?
Is there a way to get * to use wav files instead of gsm files for the
voicemail, agents, and queues applications?
Gsm does not give all the quality we would like to have, and we use no
low bit rate codecs.
2005 Sep 30
3
SPA-841 "Decode Latency"?
...buzzing, etc). However, all the
network monitoring we're doing on our fully switched, underutilized
100baseT-FD network shows that we have sub-1ms ping times and no jitter
to speak of.
Looking at the SPA-841's main Status page, I see call status:
Line State: Connected Tone: None
Encoder: G711u Decoder: G711u
Type: Inbound Remote Hold: No
Callback: Peer Name: xxxxxxxxxx
Peer Phone: xxxxxxxxxx Duration: 00:09:53
Packets Sent: 29545 Packets Recv: 29666
Bytes Sent: 4727360 Bytes Recv: 4746560
Decode Latency: 50 ms Jitter: 0 ms
Round Trip Delay: 0 ms Packets Lost: 0
Packet Error: 0 M...
2004 Dec 16
8
g711 ulaw vs alaw
Hi All,
Can someone explain to me the difference between g711's ulaw and alaw
codecs? Is it just different header info or is the actual payload in
each encoded differently? I have thus far noe been able to find any
difinative information onthe matter. All I've managed to find out
that they are "similar", they sound the same and that it doesn't
matter which you use. Could
2003 Apr 25
1
still problems with oh323
...T u-Law, 8 Khz, 8 bit mono. On asterisk's
side, this is what I get on the console
*CLI> oh323 show info
Information about active OpenH323 channel(s)
--------------------------------------------
0 : token=ip$192.168.0.101:3678/24464, state=ESTABLISHED, from_remote=1,
RX/TX=8/160, format=G.711U ,
Any hint?
2003 Aug 07
1
Warning Messages
hi,
i have connected a SNOM 200 to the asterisk. here are my settings,
Codecs
-------
Default codec - g.711u/g.711a
Packet size - 20ms
Negotiation - Interoperable
Type - 160
DTMF
----
Inband - negotiate
Outband - negotiate
Payload Type - 101
when a call comes to the SNOM or when making an outdial, following warning
messages are coming on asteisk,
WARNING[1209214400]: File dsp.c, Line 1198 (ast_dsp_pro...
2004 Aug 13
1
SIP <->h.323
Hi,
is there a definite answer if asterisk can pass calls between SIP and h.323
protocols?
Thanks,
Yiannis.
2005 Mar 12
1
ATA 186 Codec Question.
...if it was
100% or not.
I want to know really is it possible to run GSM or ilbc on them or is a
G729 lic the only way to get a low bandwidth codec?
This is the list of codecs that I have seen.
RxCodec and TxCodec?Configure the codec ID.
* G.723.1?Codec ID 0
* G.711a?Codec ID 1
* G.711u?codec ID 2
* G.729a?codec ID 3
Thanks
David
2005 Aug 17
2
Choppy Ringing
...y/distorted... However, the voice call itself
sounds fine. Asterisk, the Cisco phone, and the call gateway are all
configured to use rfc2833. From my research, asterisk generates
progress tones out-of-band (I think) unless turned on. We don't have
any problems with the progress tones when G.711u is used. Any
help/ideas would be greatly appreciated.
Todd
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2005 Aug 23
1
Cisco 7940 + no audio after MOH
...irmware).
Sometimes, when i but a call on hold, the caller has got the music,
but when i "resume" the call, then the caller does not hear me (and
nothing at all)... I must wait for 10, 20, sometimes 60 seconds
before he could hear me again.
Any body already had this problem ?
I use G711u codec for the cisco and i had the probem with a IAX
client (using GSM) a PSTN caller (through my SPA3K using 711u) ...
Thanks a lot ;)
Julien.
2005 Sep 07
0
ArtDio IPF-2000 unable to send audio to Cisco 7940 until placed on hold and resumed
...network are flawless with either the ArtDio or Cisco phone, and calls
between ArtDio-only or Cisco-only are flawless. What gives??
I tried setting specific audio codecs in sip.conf for each phone with
disallow=all and then allow=ulaw, I set the SIP<MAC>.cnf file for the
Cisco phone to be 711u as the preferred codec, and through the web
interface configured the ArtDio to use 711u as it's preferred codec, to
no avail. I tcpdump'ed the data during the call and set the ArtDio
phone to use RTP port and Control ports within the 17000 - 32000 range
(SIP<mac>.cnf sets the Cisco p...
2006 Mar 15
1
dropping voice frame ulaw - slin?
...OTICE[24269] channel.c: Dropping incompatible voice
frame on Local/[removed number]@context-5c3e,2 of format ulaw since our
native format has changed to slin
Can anyone provide an English translation of what this means?
The extension is a Polycom IP 501
The only allowed formats are g.711u
MOH is MP3 files (obvious)
All prompts have been re-recorded in .ul uLaw
Voicemail is recorded in wav|ulaw so there should be native playback to
g.711 UAs and the wav is for windows email attachments.
Outbound termination is to a Sonus GSX media gateway, g.711u is the only
allowed codec for tha...
2005 Jun 02
2
Ring but now audio on answer
...sion from the SIP provider, the phone rings and
shows CID - BUT, when I answer the phone, there is no audio either way.
I thought this was a firewall issue but the clients ring and I CAN leave and
retrieve voicemail. My next assumption is that it is some codec issue. The
Polycom defaults to G.711u. I've tried changing this to G.729AB - but there
problem persisted.
Any ideas? Thanks in advance.
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2006 Apr 19
2
Meetme codec translation and callerID library.
Can Meetme be made to work with G.729? (I gather not)
If a call comes in (internally or externally), the call comes in as a
G.729 call, which then re-negotiates to a G.711u call when if gets
transferred to a MeetMe room.
Is there a way to set up asterisk that will allow me to have internal
phones renegotiate to G.711, with the external lines instead transcoding
within asterisk.
(runtime is more available than bandwidth).
Also, does anyone know if there's a way t...
2004 Jun 23
1
SIP and audio delay
I have a SIP connection to Broadvoice and sometimes when I make outgoing
calls from a SIP ATA-188 (could be the same number) (the ATA-188, is
currently the only extension), there is no audio passed for 5-10 secs. I
have set all the codec the same to 711u and also ensured canreinvite is set
to no.
Any suggestions? Places to look for?
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2005 Mar 04
2
IAX Codec
...nly problem I have is lagging. What codec should I
use? I have Cisco phones 7960 on both end. Currently in the IAX trunk I
configured it to disallow all and use GSM only. In my sip config of each
phone I use disallow all and allow ulaw and alaw only.
I see that the Cisco phone support G.729a, G.711u and G.711a codecs.
I know that Digium is selling G.729 codec on there website. Should I get
that to fix my problem?
The less bandwitdh the codec takes over the Internet the better chance I
have that it will work fine I presume.
The maximum upload speed I can reach is 64k/sec so 512kbits. But t...
2004 Apr 14
1
Asterisk, GalaxyVoice and Humble Pie
...f NAT gateway
port=5060
fromuser=PHONENUMBER
fromdomain=216.229.127.40
username=USERNAME
type=friend
secret=PASSWORD
auth=md5
host=216.229.127.40
defaultip=216.229.127.40
reinvite=no
canreinvite=no
dtmfmode=rfc2833
context=intern
qualify=1000
disallow=all
allow=gsm
allow=ulaw
They support g.729, g.711u, GSM and probably others too but I didn;t try
them.
In /etc/asterisk/extensions.conf place the following statements;
[galaxyvoice]
exten => _1NXXNXXXXXX,1,Dial(SIP/${EXTEN}@galaxyvoice)
exten => _1NXXNXXXXXX,2,Congestion
That's all folks!!
I still can't make the DTMF work right bu...