Comfone GRX is a complete GSM/GPRS roaming service coordinated by Comfone’s expert staff  who provide operators support and assistance in all areas of roaming.

• Choice of access methods, from simple to fully managed, which can be tailored to operators' exact needs
• Operators can access all Comfone data services when a single connection to Comfone’s backbone is made
• Comfone’s GRX seamlessly combines telecom and IP based on broad GSM/GPRS roaming experience and a fully managed global backbone network
• Fast and reliable implementation and time-to-market for GPRS roaming enabled by Comfone’s globally accessible network infrastructure
• Fully managed private GRX backbone offering the highest grade of availability, security and scalability for GPRS operators and their subscribers
• Around-the-clock customer care from local service centres in more than 70 countries providing local technical expertise in the operators' own language
• Comfone’s GRX peering connection to the GSMA’s peering points and to all leading GRX providers offers extensive coverage and reach for GPRS operators
• Comfone’s broad portfolio provides roaming, signalling and clearing services, offering operators a one-stop shop for all their roaming needs
• Comfone’s GRX provides access to over 500 GPRS networks worldwide