Displaying 20 results from an estimated 10000 matches similar to: "Which IP Phone and the codecs"
2010 Dec 30
1
VUC; Friday December 31st - 2010: The Year in VoIP
On this weeks VUC call we will collectively be our own guests. That is,
we'd like to know what was the big issue that impacted YOU in 2010? All
opinions welcome.
Here are a few things to get you thinking in advance:
- Apple's Antenna-gate
- Asterisk 1.8 Launches
- Amazon EC2 as a DOS platform
- Cisco launched UMI video conference device
- More HDVoice capable phones
- Skype Outage
- VoIP
2008 Dec 05
4
Using DECT phones as SIP phones?
I see a variety of DECT 6 phones available CHEAP at costco. Is there a way
to convert these to SIP?
I recall someone talking about a Siemens devices that works with all DECT
phones, making them SIP (I think)....
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2008 May 15
2
QOS and Asterisk
I will have a small shop with ~4 phones using an HP server with Asterisk on it, it has two NICS and so I planned on plugging one into the cable modem, and the other into the switch. I was going to let this box perform NAT for the company but I am concerned about QOS for the VOIP portion.
Anyone got a similar setup and care to share what they successfully implemented?
Thanks!
jlc
2007 Nov 07
2
wifi
I'd like to survey those on-list who actually use wifi SIP handsets.
What type of wifi access point do you use? Are you happy with it?
I presently use some older Linksys WAP54G APs. I'd like to replace
these but in doing so I'd like to be moving in a VOIP friendly
direction. I've yet to find a handset that I'd buy in quantity, but my
last round of access points lasted >4
2010 Jan 29
2
microphone on Polycom 550/650
I have quite a number of users complaining that when they are using handsfree to talk over a landline, the other end can't hear them. It's like the person is speaking 5 feet away and can barely hear their voice. However between internal SIP calls, it's fine.
What could be the problem?
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2008 Apr 27
2
Siemens Gigaset S685IP Review
Hi there,
in case anyone is interested, I've just taken ownership of a small home
network (3 handsets) of the brand new Siemens DECT PSTN/VOIP phone.
It works great with Asterisk. Here's my overview and review so far...
http://www.theopensourcerer.com/2008/04/27/siemens-gigaset-685ip-phones/
Cheers
Al
--
The way out is open!
http://www.theopensourcerer.com
2009 May 26
8
Bandwidth management and ADSL router
Hi All;
I discover that most of the voice cutting complain are coming from the Internet bandwidth when we are connecting two remote offices togethor via Asterisk or any other IP PBX.
Anyone has an idea on a ADSL router that work as ADSL + Bandwidth division? So we can resolve the problem of providing a guaranteed bandwidth for the voice packets instead of suffering the voice cutting?
Regards
2009 Feb 09
3
Michael Graves post
Michael Grave just posted a question about surround conferences.
http://www.facebook.com/notes.php?id=564633430#/note.php?note_id=5009726
3908&id=564633430&index=0
I didn't see it posted on the ast-list, what do you think? Does
something like this have potential?
I'd love to listen in on one of these calls to see how it actually
sounds if someone builds a trial
2008 Aug 21
2
Siemens Gigaset IP in USA (S685 IP in particular)
For some unfathomable reason, Siemens USA doesn't offer the Gigaset IP
range in the U.S. I'm particularly interested in the Gigaset S685 IP.
Since it's DECT 6.0, and there's an English (UK) version, I'm thinking
it should work just fine, after dealing with the walwart issue (and
maybe caller ID signalling).
Anyone imported one from the UK and using it in the US? for how
2009 Mar 31
2
dynamic codec preferences
Has anyone here ever had the occasion to setup a system that would
dynamically alter it's codec preferences based on trafffic? That is,
presuming that the system is on a limited bandwidth connection is would
start to prefer a compressed codec as the call volume increased?
Perhaps shifting from G.711 to G.729?
Michael
--
Michael Graves
mgraves<at>mstvp.com
http://blog.mgraves.org
2008 Nov 15
2
Polycom low volume
Using a Polycom 550 and 650 phones on my Asterisk server for testing. I can't figure out why the volume is so low. How can I adjust the volume control on Asterisk? It's at max on the handset phones.
Thanks!
Hin
2007 Oct 17
2
sorta OT: Bounty for Click to Call plugin for IE
I'm in process of transitioning a number of offices to a hosted virtual
pbx from Junction Networks. It's a combination of OpenSER and Asterisk.
They have a nice click-to-call extension for Firefox, but I need the
equivalent for IE so that it can work with our CRM system. Junction
told me that they have a bounty on offer for this if someone's
interested in doing the work.
Would the
2008 Jan 20
2
SIP <> GSM
I'd like to add a device to my Asterisk server to leverage my cellular
account. Does anyone on-list have experience with hardware gateways vs
using cah_bluetooth and an old cell phone?
I'm considering something like http://www.mobigater.com/index.php?p=5
Thanks,
Michael
--
Michael Graves
mgraves<at>mstvp.com
blog.mgraves.org
o713-861-4005
c713-201-1262
sip:mjgraves at
2008 Aug 30
1
Heist of MagicJack SIP credentials?
While I myself am not a MagicJack user, I'm curious as to whether anyone
here has managed to heist their MagicJack account's sip credentials, and
use them to terminate calls using asterisk. Apparently it's as simple
as sniffing the SIP credentials. If so, said person would enjoy
unlimited termination for $20 year while retaining the flexibility of
setting their CallerID to a
2008 Aug 29
5
Wi-SIP vs. SIP-DECT
Anybody care to muse on Wi-SIP vs. SIP-DECT?
My limited research indicates that none of the WiSip phones will ever be
able to match the performance of DECT phones. Maybe I'm wrong but a
Wi-SIP phone seems like a DIESEL sports car. There is nothing wrong
with the technology, but it seems like a shoe-horned fit into the
requirements of a wireless endpoint. DECT uses a wireless radio layer
2010 Dec 17
10
Wireless Desktop VoIP Phone?
I'm looking for a wireless desktop VoIP phone. Does any exist?
2009 Apr 21
4
Polycom wideband codecs?
Doing a little research before Friday's Voip Users Conference call with
Dan Behringer.
Are any of the newer Polycom wideband codecs implemented in v1.6?
Specifically, G.722.1 or G.722.2?
Thanks,
Michael Graves
mgraves <at> mstvp.com
o(713) 861-4005
c(713) 201-1262
sip:mjgraves at mstvp.onsip.com
skype mjgraves
2011 Feb 16
4
Connect Asterisk to a cell phone
Hello,
Are there any gateways which allow me to hook a cellphone to Asterisk and
use that line for routing my calls? Basically, I'm looking to play around a
bit and if I can get to connect a cellphone with Asterisk then that would be
great.
Thanks,
Hitesh
PS: I have tried to search on the web, but didn't find any pointers on how
to do so.
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2009 Sep 24
2
Digium transcoding card
Hi,
Given that the Digium transcoding card has no external connections
(AFAIK), it strikes me that it would suit a mini-PCI slot very well.
Does such a beast exist, or is it likely to? Am I correct in assuming
that this is a Digium-only product, and there is no OEM equivalent
"generic" board out there that I could be investigating? It would be
such a shame to waste a PCI slot that
2009 Oct 10
2
Mp3 for IVR prompts
can i use MP3 files as an IVR prompts directly without converting to .gsm format?
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