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Joined: Aug 2007
Posts: 105
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Joined: Aug 2007
Posts: 105 |
We are evaluating several SIP phones hoping to "standardize" on a couple for our Asterisk implementations. The one thing I have noted, is that on each that we have used, dialing is essentially a three step process, step one is seizing dial tone, step two is keying in the number to be called, and step three is pressing a dial or enter button to send the dialed numbers. Does anyone know of any SIP Phones that don't require all these steps, or am I missing something in the set up of my phones?? Ok, YES, I know I'm being anal here, but I also know customers after 30 plus years in this business, and they will bitch about it because "it's different"!!!
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Joined: Dec 2005
Posts: 818
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Should be in the programming, I know that several SIP phones I have used/seen do not require that, but I am not familiar with Asterisk to comment on your system. That sounds like a limitation of the system/programming more than a limitation with a telephone.
Steve
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Joined: Jun 2007
Posts: 2,106
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Joined: Jun 2007
Posts: 2,106 |
All depends on the phone. At best you are still looking at a 2-step process by your own guidelines. You will still need to sieze dialtone by picking up the handset and dialing or dialing the number then pressing a line-key/speakerphone/etc.
Look for a phone that can be programmed with a digitmap timeout. Set it for 3 seconds. Then after they dial their number, if they wait 3 seconds, it dial's for them. I think a good majority of sip phones support digitmap's and the timeout.
Asterisk doesn't do anything with the digit's typed on the phone until the phone attempts to connect.
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Joined: Dec 2006
Posts: 106
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Joined: Dec 2006
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I have a pair of Linksys SPA941's on an Asterisk and I found the fastest way to dial out is to enter the number and then pick up the handset or hit the speaker button, and it dials the entered number right away
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Joined: Jan 2008
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Joined: Jan 2008
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The best out there are:
Polycom and Aastra. The voice quality are superior to any phones on the market
Polycom and Aastra support digitmap timeout. they have to be set from a configuration files from a TFTP server.
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Joined: Jun 2007
Posts: 2,106
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Joined: Jun 2007
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I'd recommend either Polycom or Snom.
Polycom is by far what most IP phones are measured against when it comes to quality, audio quality, skeaerphone, and features. It has two glaring flaws: Lack of STUN suppor and the LCD is not backlit.
And yes, the polycom's are designed to be provisioned from a central FTP Server.
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