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Is your company adopting the Session Initiation Protocol (SIP)? Why or why not?

SIP is supposedly "the" key to unleashing the full power of modern and future telephony systems based on the Internet Protocol (IP), and to interoperability between SIP-enabled IP telephony systems and legacy technologies. But SIP is still a work in progress among vendors and standards developers, and not all SIP-compliant offerings comply with the same version of the definition overseen by the Internet Engineering Task Force (IETF) Network Working Group. So is your company committed to SIP yet? If so, why? If not, for what reason or reasons?
By: Guest
Date: Wed-Feb-17-2016-
Response
0
There are several different levels of SIP usage for organizations:
1. Trunks
2. Endpoints
3. IntegrationTypically businesses look to SIP trunks first because they provide almost immediate ROI. By simply converting from a PRI (or POTS lines for some really slow adopters) to SIP trunks can reduce telecom by up to 50%. Many times this adoption can justify the system upgrade or replacement that may be required to utilize SIP. SIP is not guaranteed solution; if using some advanced features such as trunk-to-trunk transfers, there may be some issues.Next, most organizations look to SIP endpoints. There are less expensive phone options available in the market. For basic and some intermediate users, these phones can save the organization a few hundred dollars per phone. Again, buyer must beware, as the SIP protocol may not provide all the functionality that a user and organization may expect. Consequently, many inexpensive SIP phones may not meet expectations.The final step for organizations is integration between systems. These systems include voice, video, email, IM, and chat. By providing interoperability between these systems, the promise of “presence” will be realized. In other words, people will be able to dial one address or number and be connected automatically in the manner that’s best for the other party. The best manner will be determined by their availability. For instance, if the user is on the phone, then the call may go to their cell phone… if that’s busy or offline, it may go to IM or chat… if those are in use then voicemail or email will be utilized. The promise of SIP is to take the decision of which mode of communication to use out of the user’s hands as well as provide a single interface and repository for all those messages.Most forward-looking companies are just starting to look at SIP as an integration protocol. This is bleeding-edge technology at this point and is almost completely customized at this point. Organizations have to determine what platform to use. This is not a trivial matter as most everybody claims to be “SIP-compliant,” but there are different levels of compliance. For example, according to SIPconnect, out of the major telephony providers, Avaya has the most open and standard SIP with 80% SIP RFC compliant, 15% compliant on other SIP drafts, and 5% is based on proprietary headers & feature codes. 3Com is 2nd, followed by Siemens, Cisco & Nortel.So, nobody is 100% SIP compliant. Businesses need to be careful and complete their due diligence to determine what can be integrated, how much it will cost, and most importantly, what benefit does the integration provide the organization.
[d] By: Guest
Date: Thu-Feb-18-2016
Response
0
Our company has!We have purchased a 400 € bare bone PC, one 400 € ISDN card and a dozen of 50 € SIP compliant phone sets.We’ve managed to install an Asterisk based - free of charge - VOIP platform within 3 hours. (Without the assistance of any third party).As redundancy do we opt for an exact copy of the above remaining unpowered next to the device which is up-and-running. (800,-€)All is running fine (echo and sound levels are under control), and we have all the functionalities a typical SME requires. (Call forwarding, voicemail, Groups, etc.. )Our next integration will most typically be the integration of Skype within our SIP based PBX (allowing our customers and partners to call us free of charge) , next to adding IVR functionalities. The latter is already present we just haven't customized it yet.What else does one need? I’m convinced that the above can cover at least 80% (number of companies) of the market.Long live SIP. No more expensive phone system or maintenance contract.Regards,
Nic V.PS: the need to have IT people in the future may be a lot less. Cloud computing remember. A good time to convert some of the guys into SIP gurus today. Remember IP telephony is just a software package anymore. If they can support MS Operating systems, Databases, Domains, etc.. then IP telephony is just a very simple extra. (And it is FUN!!)
[d] By: Guest
Date: Thu-Feb-18-2016
Response
0
Yes, our entire organization is running off a single SIP Server. Most of our employees work from home and have a SIP endpoint. We have SIP-integrated applications connected to our corporate SIP Server (such as voicemail, call center, and IVR), and we have SIP trunks at some places where we have small offices.SIP is not something that is in the works. It is here, and it works, and we are taking advantage of the value it brings to our organization.
[d] By: Guest
Date: Thu-Feb-18-2016
Response
0
We started using SIP to connect to our branch offices from our Chicago office and to connect our branch offices(about 4 years ago). After the intial challenge of integration and learning, the move has been very good.Subsequently we have done the same for many of our clients with similar situations. End result after the technical and user challenges has been a tremendous cost savings for our clients.
[d] By: Guest
Date: Thu-Feb-18-2016
Response
0
I'm curious what experiences anyone has had with fax over SIP trunks?
[d] By: Guest
Date: Thu-Feb-18-2016
Response
0
Leslie,What devices have you been using to connect Fax over SIP? Have you had any luck using Linksys 2102's or other small ATA's for the SOHO market or are you using a SIP Gateway? Just curious. We do a lot of SIP and I agree with most of the other contributors. SIP is real, it's here to stay and it works. Although SCCP works flawlessly as well with certain providers of IP endpoints.
[d] By: Guest
Date: Thu-Feb-18-2016
Response
0
I believe that SIP is really where it's at and more and more companies will be adopting SIP within their organizations over the next several years. SIP can be extremely powerful when it comes to networking disparate and legacy PBX's along with cloud based applications. With that said, I still advise all of my clients to utilize POTS or a PRI for fax. There are a lot of carriers out there that tout their ability to enable fax over SIP successfully. It works for a 1-3 page fax, but it will always fail at some point; especially if older fax machines are involved. No carrier has perfected T38 yet. This is the one area that I really hope will improve.
[d] By: Guest
Date: Thu-Feb-18-2016
Response
0
We should not try to solve the T38 problems (which is all about time-out settings in the fax machines btw). We shoud get rid of the fax as a message technology.
Morse, telex are gone. I guess fax and pots should be next.
I wish that someone comes up with a new standard that allows digital transmission over straight copper pairs ( like 2B1Q ) including a very simple - I can easily assemble without tools - connector, so that everybody can replace analog phone sets and fax machines, while maintaining the old wiring. ( + option for remote power feeding of course ). Ethernet is not helping us out here, nor is Wi-Fi.
Let us call it "Low-Speed Ethernet" and design some 35,- $ 6-port little PoE switches for it. ;-)
[d] By: Guest
Date: Thu-Feb-18-2016
Response
0
If I get the SIP phones and PBX from different manufacturers, say Grandstream phones and a Fonality PBX, what happens if Fonality upgrades their firmware that breaks something on the Grandstream phone? Would Grandstream also upgrade their firmware? How much would this cost and how long would they provide this service?
[d] By: Guest
Date: Thu-Feb-18-2016
Response
What is 1 + 100



Helpfulbox Now Offers Free POS Software

for restaurants, kiosk, and any other retails business completely free. It can be used as windows cashier system or as full blown POS. You will able to print to kitchen, display orders on the kitchen screen, manage inventory, employee, report, customer loyalty offers, employee management, delivery address track and much more, all for free.

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