2008年第一季度排名:
Nortel(北电)
Nokia Siemens Networks(诺西)
根据文章Nortel, Nokia Siemens Neck and Neck in Media Gateway/Softswitch Market in 1Q08
Nokia Siemens Networks gained five points in the combined worldwide media gateway and softswitch segment of the carrier VoIP market in 1Q08 from 4Q07, while Nortel is down two points. The market share shifts bring Nortel—the perennial front runner in the worldwide carrier VoIP market—and Nokia Siemens within one point of each other for the first time, according to the report.
2008年第三季度:
第一还是北电(Nortel),思科(Cisco)增长很快。。。
根据文章Service Provider VoIP Market Down, But Shows Signs of Recovery
看来北电的软交换挺强。只是现在经营得那么困难(北美最大通信制备商北电网络目标价定为零):)