<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div><span></span></div><div> </div><div>Tudor Seicarescu<br>Saving money for business worldwide<br><br></div><div>Tel. Montreal: 1-514-400-2575<br>Tel. Romania: 40-21-589-7246<br>Cell Romania: 40-762-863-429<br>Yahoo: apaminerala<br>Skype: apaminerala<br>http://ca.linkedin.com/in/apaminerala<br><div style="font-size: 12pt; font-family: 'times new roman', 'new york', times, serif; "><div style="font-size: 12pt; font-family: 'times new roman', 'new york', times, serif; "><font size="2" face="Arial"><hr size="1"><b><span style="font-weight:bold;">From:</span></b> "voiceops-request@voiceops.org" <voiceops-request@voiceops.org><br><b><span style="font-weight: bold;">To:</span></b> voiceops@voiceops.org<br><b><span style="font-weight: bold;">Sent:</span></b> Wednesday, September 14, 2011 9:57 AM<br><b><span
style="font-weight: bold;">Subject:</span></b> VoiceOps Digest, Vol 27, Issue 11<br></font><br>Send VoiceOps mailing list submissions to<br> <a ymailto="mailto:voiceops@voiceops.org" href="mailto:voiceops@voiceops.org">voiceops@voiceops.org</a><br><br>To subscribe or unsubscribe via the World Wide Web, visit<br> <a href="https://puck.nether.net/mailman/listinfo/voiceops" target="_blank">https://puck.nether.net/mailman/listinfo/voiceops</a><br>or, via email, send a message with subject or body 'help' to<br> <a ymailto="mailto:voiceops-request@voiceops.org" href="mailto:voiceops-request@voiceops.org">voiceops-request@voiceops.org</a><br><br>You can reach the person managing the list at<br> <a ymailto="mailto:voiceops-owner@voiceops.org" href="mailto:voiceops-owner@voiceops.org">voiceops-owner@voiceops.org</a><br><br>When replying, please edit your Subject line so it is more
specific<br>than "Re: Contents of VoiceOps digest..."<br><br><br>Today's Topics:<br><br> 1. Re: Cell Phone to SIP provider (Paul Timmins)<br><br><br>----------------------------------------------------------------------<br><br>Message: 1<br>Date: Wed, 14 Sep 2011 12:56:47 -0400<br>From: Paul Timmins <<a ymailto="mailto:paul@timmins.net" href="mailto:paul@timmins.net">paul@timmins.net</a>><br>To: <a ymailto="mailto:voiceops@voiceops.org" href="mailto:voiceops@voiceops.org">voiceops@voiceops.org</a><br>Subject: Re: [VoiceOps] Cell Phone to SIP provider<br>Message-ID: <<a ymailto="mailto:4E70DCCF.7070209@timmins.net" href="mailto:4E70DCCF.7070209@timmins.net">4E70DCCF.7070209@timmins.net</a>><br>Content-Type: text/plain; charset="windows-1252"; Format="flowed"<br><br>That's like saying that ISDN lines and SIP are the same thing because <br>they both use G.711 ulaw with common channel signalling, and it's really <br>up to the phone
companies they could be using SIP over ISDN instead.<br><br>The difference is that the digital data you speak of is using codecs <br>designed for high loss and corruption, has a delay certain model (unlike <br>packet switched data) and doesn't have overhead (like IP).<br><br>-Paul<br><br>On 09/14/2011 11:22 AM, Carlos Alvarez wrote:<br>> You seem to be suggesting that there is a technical reason the <br>> carriers don't do this. There is not. Carriers prioritize voice <br>> channels, which really are just data also, though not using SIP. They <br>> *could* choose to prioritize data, or do the usual QoS for the data so <br>> VoIP has good quality, just like any other IP connection. They won't, <br>> because it's a huge threat to their business model.<br>><br>><br>> On Tue, Sep 13, 2011 at 9:07 PM, Paul Timmins <<a ymailto="mailto:paul@timmins.net" href="mailto:paul@timmins.net">paul@timmins.net</a>
<br>> <mailto:<a ymailto="mailto:paul@timmins.net" href="mailto:paul@timmins.net">paul@timmins.net</a>>> wrote:<br>><br>> My android phones do SIP user interface integration over HSDPA and<br>> EVDO respectively, and frankly, the voice quality isn't that<br>> great. Much worse than the underlying GSM or CDMA signal bar for<br>> signal bar.<br>><br>> There's a reason the carriers aren't doing this yet.<br>> -Paul<br>><br>> On Sep 13, 2011, at 11:32 PM, Scott Berkman wrote:<br>><br>>> You might want to see if LightSquared has anything for you, they<br>>> dub themselves the ?only wholesale-only mobile carrier?, but I?m<br>>> not sure what they can offer today.<br>>> <a href="http://www.lightsquared.com/"
target="_blank">http://www.lightsquared.com/</a><br>>> Also, aren?t some of the newer cellular technologies (UMTS or<br>>> EVDO) inherently built on SIP for the voice portion of the<br>>> network? That?s not an answer to your problem, but?<br>>> One other thing you might want to look into is an OS that allows<br>>> the default phone app to use SIP over the data connection<br>>> natively (as opposed to using a separate soft phone application<br>>> that might not integrate as well to the UI). I believe this was<br>>> preset in versions of WM6, but that?s somewhat old now and I have<br>>> no idea if it?s built into any other platforms.<br>>> <a href="http://voipguides.blogspot.com/2008/05/voip-sip-client-for-windows-mobile-6.html"
target="_blank">http://voipguides.blogspot.com/2008/05/voip-sip-client-for-windows-mobile-6.html</a><br>>> -Scott<br>>> *From:*<a ymailto="mailto:voiceops-bounces@voiceops.org" href="mailto:voiceops-bounces@voiceops.org">voiceops-bounces@voiceops.org</a><br>>> <mailto:<a ymailto="mailto:voiceops-bounces@voiceops.org" href="mailto:voiceops-bounces@voiceops.org">voiceops-bounces@voiceops.org</a>><br>>> [mailto:<a ymailto="mailto:voiceops-bounces@voiceops.org" href="mailto:voiceops-bounces@voiceops.org">voiceops-bounces@voiceops.org</a><br>>> <mailto:<a ymailto="mailto:voiceops-bounces@voiceops.org" href="mailto:voiceops-bounces@voiceops.org">voiceops-bounces@voiceops.org</a>>]*On Behalf Of*Carlos Alvarez<br>>> *Sent:*Tuesday, September 13, 2011 3:44 PM<br>>> *To:*<a ymailto="mailto:VoiceOps@voiceops.org"
href="mailto:VoiceOps@voiceops.org">VoiceOps@voiceops.org</a> <mailto:<a ymailto="mailto:VoiceOps@voiceops.org" href="mailto:VoiceOps@voiceops.org">VoiceOps@voiceops.org</a>><br>>> *Subject:*Re: [VoiceOps] Cell Phone to SIP provider<br>>> It is my understanding that:<br>>> a. The original post asked about sending the calls to the end<br>>> point (cell phone) as SIP, not cellular voice.<br>>> b. Sprint's MIS (Mobile Integration Service) merely allows a<br>>> company or service provider to connect to them directly over TDM<br>>> or SIP and do seamless integration of the cell and other phones,<br>>> but the call is still cellular voice to the handset.<br>>> I am facing a competitive sale right now to a municipality where<br>>> there is only
one other carrier who can compete with us, and only<br>>> on that one feature.<br>>><br>>> On Tue, Sep 13, 2011 at 12:33 PM, Matthew S. Crocker<br>>> <<a ymailto="mailto:matthew@corp.crocker.com" href="mailto:matthew@corp.crocker.com">matthew@corp.crocker.com</a> <mailto:<a ymailto="mailto:matthew@corp.crocker.com" href="mailto:matthew@corp.crocker.com">matthew@corp.crocker.com</a>>> wrote:<br>>><br>>> Sprint does this. The cell phones register to the cell tower as<br>>> cell phones. The cell tower converts to SIP and registers with<br>>> the call agent. Broadsoft mentioned something about this at the<br>>> last connections conference. You would get a private IP<br>>> connection into Sprint to carry the voice traffic. This
would<br>>> be perfect for me if Sprint had a decent cell network in my<br>>> area. Does anyone know if AT&T or Verizon (LTE) do it as well?<br>>><br>>> <a href="http://newsroom.sprint.com/article_display.cfm?article_id=1628" target="_blank">http://newsroom.sprint.com/article_display.cfm?article_id=1628</a><br>>><br>>> ------------------------------------------------------------------------<br>>><br>>> *From:*"Oren Yehezkely" <<a ymailto="mailto:orenyny@gmail.com" href="mailto:orenyny@gmail.com">orenyny@gmail.com</a><br>>> <mailto:<a ymailto="mailto:orenyny@gmail.com" href="mailto:orenyny@gmail.com">orenyny@gmail.com</a>>><br>>> *To:*"<a ymailto="mailto:VoiceOps@voiceops.org"
href="mailto:VoiceOps@voiceops.org">VoiceOps@voiceops.org</a> <mailto:<a ymailto="mailto:VoiceOps@voiceops.org" href="mailto:VoiceOps@voiceops.org">VoiceOps@voiceops.org</a>>"<br>>> <<a ymailto="mailto:voiceops@voiceops.org" href="mailto:voiceops@voiceops.org">voiceops@voiceops.org</a> <mailto:<a ymailto="mailto:voiceops@voiceops.org" href="mailto:voiceops@voiceops.org">voiceops@voiceops.org</a>>><br>>> *Sent:*Tuesday, September 13, 2011 1:00:02 PM<br>>> *Subject:*[VoiceOps] Cell Phone to SIP provider<br>>><br>>><br>>><br>>> Hello,<br>>><br>>> I am looking for a cell phone company that is capable of<br>>> providing SIP service instead of sending the calls over the<br>>> cellular
network.<br>>><br>>> If anybody here is capable of providing such a service or can<br>>> recommend a vendor that can do that, please let me know.<br>>><br>>> Thanks,<br>>><br>>> Oren<br>>><br>>> _______________________________________________<br>>> VoiceOps mailing list<br>>> <a ymailto="mailto:VoiceOps@voiceops.org" href="mailto:VoiceOps@voiceops.org">VoiceOps@voiceops.org</a> <mailto:<a ymailto="mailto:VoiceOps@voiceops.org" href="mailto:VoiceOps@voiceops.org">VoiceOps@voiceops.org</a>><br>>> <a href="https://puck.nether.net/mailman/listinfo/voiceops"
target="_blank">https://puck.nether.net/mailman/listinfo/voiceops</a><br>>><br>>><br>>> _______________________________________________<br>>> VoiceOps mailing list<br>>> <a ymailto="mailto:VoiceOps@voiceops.org" href="mailto:VoiceOps@voiceops.org">VoiceOps@voiceops.org</a> <mailto:<a ymailto="mailto:VoiceOps@voiceops.org" href="mailto:VoiceOps@voiceops.org">VoiceOps@voiceops.org</a>><br>>> <a href="https://puck.nether.net/mailman/listinfo/voiceops" target="_blank">https://puck.nether.net/mailman/listinfo/voiceops</a><br>>><br>>><br>>><br>>> --<br>>> Carlos Alvarez<br>>> TelEvolve<br>>> 602-889-3003 <tel:602-889-3003><br>>> _______________________________________________<br>>> VoiceOps mailing list<br>>>
<a ymailto="mailto:VoiceOps@voiceops.org" href="mailto:VoiceOps@voiceops.org">VoiceOps@voiceops.org</a> <mailto:<a ymailto="mailto:VoiceOps@voiceops.org" href="mailto:VoiceOps@voiceops.org">VoiceOps@voiceops.org</a>><br>>> <a href="https://puck.nether.net/mailman/listinfo/voiceops" target="_blank">https://puck.nether.net/mailman/listinfo/voiceops</a><br>><br>><br>><br>><br>> -- <br>> Carlos Alvarez<br>> TelEvolve<br>> 602-889-3003<br>><br>><br>><br>> _______________________________________________<br>> VoiceOps mailing list<br>> <a ymailto="mailto:VoiceOps@voiceops.org" href="mailto:VoiceOps@voiceops.org">VoiceOps@voiceops.org</a><br>> <a href="https://puck.nether.net/mailman/listinfo/voiceops" target="_blank">https://puck.nether.net/mailman/listinfo/voiceops</a><br><br>-------------- next part --------------<br>An HTML attachment was scrubbed...<br>URL: <<a
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