VoIP Industry Newsletter: The challenges of SIP Interoperation

Industry News & Trends

Selecting a SIP Trunking Service
One advantage of IP PBXs is that they let a company eliminate one set of wiring. Because the IP phones connect to the office LAN, there’s no need for separate phone lines. The same principle can help cut telecom expenses. SIP (Session Initiation Protocol) Trunking, sometimes called VoIP Trunking or IP Trunking, can carry calls to and from the company’s premises over its Internet connection. That eliminates the need for PSTN (public switched telephone network) circuits from traditional carriers. It also improves efficiency and saves money in a variety of ways.

Not every SIP Trunking service is the same, however. There are major differences in how providers package and price their offerings. The technical approaches vary significantly as well. Thus, benefits the different services bring will depend on the customer company’s specific circumstances.
-- VoIP News

MPLS Turns 12: Developers Give 7 Reasons Why the Internet Standard Has Been Successful
The IETF Thursday threw a birthday party for one of its most successful standards: Multi-Protocol Label Switching. The Internet’s leading standards body hosted a panel discussion outlining the reasons why the 12-year-old protocol has been so widely deployed and such a big moneymaker for carriers. With MPLS, the IETF integrated the labelswitching capabilities of Asynchronous Transfer Mode with the packet orientation of the Internet Protocol. The IETF formed its MPLS Working Group in January 1997, and protocol specifications began trickling out a few years later.

Here are the seven reasons why MPLS has proven so popular:

1. MPLS embraced IP

2. MPLS is flexible

3. MPLS is protocol neutral

4. MPLS is pragmatic

5. MPLS is adaptable

6. MPLS supports metrics

7. MPLS scales

Successful Internet technologies need to be able to scale quickly, and MPLS was able to do that.
-- Network World

Vendors Call for Cloud Computing Standards
A group of 38 companies and academic groups have signed on to a so-called Open Cloud Manifesto, calling for open standards for cloud computing. The document echoes a recent paper on the subject by researchers at the University of California at Berkeley.

Cloud computing lets users tap into big data centers to run applications remotely. The approach is increasingly seen as the next big step in the evolution of computing in the Internet era.
-- EETIMES

U.K. VoIP Users to Get Better Connected
VoIP is about to get more attractive for U.K. businesses as a new registry service is set to go live. The U.K. ENUM registry will mean that businesses’ VoIP information will be in the public domain, meaning that better use could be made of lower-cost calls.The registry, run by U.K. registration agency Nominet, will allow users of different VoIP systems (proprietary like Skype or standards-based SIP devices) to talk with each other, provided that they both have an existing phone number.

In addition to the cost savings of using VoIP, business users will be able offer additional features such as ‘follow me’, allowing callers to use a single number to call someone who is not in a fixed place throughout a day, and without paying the cost of a mobile call. For the first time, VoIP users would not have to belong to the same network.
-- Network World

Mobile Broadband Computing Services in Latin America to Reach US$11.9bn in 2014
Revenue from mobile broadband computing services in Latin America will grow at a CAGR of 49% from US$2.2bn in 2008 to US$11.9bn in 2014, about 3.8 times as fast as predicted growth in fixed broadband revenue, Senior Analyst with Pyramid Research Daniel Locke told BNamericas.

According to the analyst, Latin America has much higher spending power and broadband penetration than many other emerging markets, such as India.
-- BNAmericas

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