ZONE Limited (www.zonetel.com) offers China, HK , SG DID / PSTN Number via SIP Trunk (FREE Trial)
Advantage of Hong Kong DID number
- Call to Hong Kong is free of charge
- Receiving call is free of charge
- Enjoy the cheapest International call (IDD) Rate
- We can work with SKYPE, Grandstream and all standard SIP device
ZONE offers complete IP telephony solutions including asterisk, IPPBX, IP Phone, IP Box and HK PSTN numbers. After registering HK DID number from ZONE, customer can use their own IP Phone / IPPBX with ZONE's SIP trunk.
take a look the following link for details
http://www.zonetel.com/service_HKDID_ChinaDID.shtml
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