CITIC 1616 offers Mobile VAS to telecoms operators through their connections to CITIC 1616's hub and provide new revenue streams for telecoms operators CITIC 1616's current main Mobile VAS include:

SIMN or Single IMSI Multiple Number service
SIMN allows mobile operators subscribers to hold multiple overseas mobile phone numbers on their existing SIM cards, providing frequent travellers and mobile roamers the choice of saving roaming charges in SIMN-enabled regions to increase customer satisfaction and loyalty.

Mobile Roaming Call Back service
The Mobile Roaming Call Back service was commercially launched in December 2005 and currently allows mobile operators to offer their subscribers call back service in over 206 countries/areas.

PRS or Prepaid Roaming Card service
PRS enables mobile telecoms operators to offer prepaid subscribers roaming voice and SMS functions like postpaid subscribers. PRS also enables telecoms operators to segregate their prepaid roaming service from their existing postpaid roaming service to minimize the risk of affecting an existing revenue generating business.

SCCP Roaming Signaling Transit service
This service offers mobile operators roaming services by providing Transit service SCCP transport over SS7 signaling protocol to overseas mobile operators. It gives telecoms operators a fast, reliable and costeffective roaming connection to telecoms operators worldwide.

GPRS Roaming Exchange (GRX)
GRX is a secure inter-operator private-peering packet data network that provides a convenient way for mobile operators to interconnect with one another. The service enables mobile operators to exchange both GPRS roaming and inter-operator multimedia messaging service traffic.

(a) IPLC services
CITIC 1616 provides IPLC services jointly with CITIC 1616's partners in various countries from the speed of T1/E1 to STM-4. CITIC 1616 also cooperates with its major customers in China to provide IPLC services from the speed of E1 to STM-16. Most of these services run on various cable systems including East-Asia Crossing, Pacific Crossing, Flag North Asia Loop, Japan-US, China-US, Asia-Pacific Cable Network 2 and SMW3.

(b) Local private leased circuit services
In addition to IPLC services, CITIC 1616 also provides local private leased circuit services to customers from the speed of T1/E1 to STM-16, as well as 10/100Mbps FE, GE and 10GE services. CITIC 1616's local private leased circuit services are provided using its domestic fibre optic network. CITIC 1616's domestic fibre optic network also enables international and local operators to connect to HKIX2. It is also connected to major international gateways and various data centres in Hong Kong.

(c) Data centres
CITIC 1616 operates two data centres in Hong Kong, the first data centre located in CITIC Tower and the second one located in Central, which together occupy a total area of approximately 55,000 sq. ft. CITIC 1616 also offers co-location services to telecoms operators.