Websites targeting keyword callback card

MyCard.sg is Singapore prepaid phone card & international calling card online shop. 24x7, Buy pins instantly with free eNETS & Credit Card transaction fee. - Mycard.sg is Singapore international prepaid phone card, calling card, top up card online shop, lowest eNETS and Credit Card transaction fee, pin delivery instantly.

Almostfreecalls offer DID virtual phone numbers all over the world. They are also known as SIP numbers or virtual local numbers.

Mustafa International Calling cards offer exceptional value IDD calls. The Premium, Budget and Callback cards are tailored for your individual needs. Find out more about these cards here.

WePhone (WePhone App,WePhoneApp) is an application for iPhone and Android phones that lets you make international phone calls at super low rates.

AdvancedVoIP - VoIP Billing Solution and Softwares including SIP Softswitch,Calling Cards Solution,IP PBX Solution,CallBack Software,SIP Server, Radius Server,IVR System, LCR (Least Cost Router),VoIP B2B Solution, VoIP B2C Solution

TeleMe (TeleMe App,TeleMeApp) is an application for iPhone and Android phones that lets you make global phone calls at super low rates.

Holiday Numbers is a low cost international call receiving solution that helps you to make and receive calls while you are on the move. Make calls immediately from the Airport using your call credit from all major airports around the world or major train and bus stations using the public phone to contact your family, friends or business partner.

Your virtual calling card service: Cheap rates and easy to use. Cheap calling services including Callback. Register with Calling Card Buster and save on your monthly calling charges.

Star2Billing provide a range of solutions for the telecoms industry including soft-switches, billing, mediation, CDR analysis and multi-tenant Voice/SMS

NextStag is an innovator and developer of next-generation communication suite for IP based protocols.

BOSS Revolution Hong Kong makes it simple to stay in touch with loved ones, with cheap international calling and mobile airtime top ups.

Integrated telecom cloud services: hybrid international long distance calling, internet fax, VoIP and global call forwarding,callback, works across multiple platforms and devices, at pay-as-you-go super low rates

Passport Telecom provides high quality international telephone service at discounted rates. On-line phone cards for calls anywhere in the world using direct dial, 800 access, or callback.