Tadiran Telecom has signed a distribution agreement with Teledata Technologies in a collaboration aimed at targeting "vast" VoIP opportunities in the African telecom market.
The IP business telephony and communications supplier has also announced the appointment of Zeev Aviv as acting President and CEO. Until recently, he served as VP Sales and Marketing.

Jeff Carr has been appointed CEO of VoIP provider SinglePipe as part of a strategic restructuring to support a market and product expansion.
Matt Phillips, who had been CEO, shifts to vice chairman of corporate development for the Kentucky-based managed services provider, while Cynthia Carpenter has been named as president and COO.

Richard Shockey has joined the advisory board of XConnect, the VoIP and Next Generation Network (NGN) interconnection service provider.
A pioneer in ENUM (Electronic NUMbering) and expert in VoIP, Shockey is a founder and has been co-chair since 2002 of the IETF (Internet Engineering Task Force) ENUM Working Group.

Telecomms veteran Andy Berman has been appointed Chief Executive Officer of i2Telecom International.
The move follows a "transitional period" for the Atlanta-based company which has seen it shift priorities towards mobile applications and services.

Vyke has appointed Kim Berknov as chief executive, effective from April 1.
The announcement came as the VoIP service provider forecast it will meet market expectations for 2009.

Daniel Wagner has been appointed head of XO Communications' Business Services unit.
The appointment, which is effective immediately, will see Wagner focus on accelerating the division's profitability and revenue growth.