The new annual subscription offers 12 months of personalized ringback tonesAzercell has introduced an annual subscription for its ZengimCELL service, offering subscribers 12 months of personalized ringback tones on more favorable terms. The new subscription allows users to replace the standard ringback tone with their favorite music, providing a more personalized calling experience.To activate the annual subscription, customers should send an SMS with the keyword 756716 to the short number 6900. Once the subscription is activated, subscribers can set or change their preferred ringback tones free of charge by sending an SMS with the code of the selected ringback tone to the short numbers 6900 or 6070.The annual subscription is available for AZN 18. More information about the ZengimCELL service, subscription terms, and the list of available ringback tones is available at zengim.az.