Bria Mobile: VoIP SIP 通信网络电话
CounterPath Corp
Zoiper IAX SIP VOIP Softphone
Securax EOOD
Mobi Voip
private number caller id
NON-VOIP
KasCards
Bria - VoIP SIP 軟體電話
Bria Enterprise
Acrobits: VoIP SIP Softphone
Acrobits, s.r.o.
Linphone
Belledonne communications
PortSIP Softphone
PortSIP
Sipnetic
IPTON