The United Nations Assistance Mission in Afghanistan (UNAMA) invites companies to express their interest to participate in the upcoming bidding exercise for the provision of GSM voice, data, SIP trunk and bulk SMS services to UNAMA in Afghanistan. Services Required (not exhaustive): 1. Short Message Services (support accessible locally / possibility to send and receive text messages when roaming in any country, without delay / provide a computer based bulk SMS service for sending broadcast SMS). 2. Service requests (possibility to block any subscribers from requesting service changes, value added services or premium services through SMS code or otherwise / Activation/deactivation, change from Postpaid to prepaid). 3. Replacement of SIM cards (free of charge for lost or stolen SIM cards within 24 hours). 4. Blocking of SIM cards. 5. Other Telephony Services: Call forwarding, Call transfer, Missed Call Notfication, Caller identification (CLIP), Conference Calling and Call Waiting & Hold. 6. Data Features (provision of at least 3G Data services / packages). 7. Close User Group (CUG). 8. Excessive usage warning. 9. E1 & SIP Connectivity Services. Details for the requirement will be provided in the solicitation documents to the invited bidders only. Please send your Expression of Interest and all requested information with supporting documents by email to: adila.muzafari@un.org copy unama-procurement@un.org. Please note that this notice is issued only to allow companies to express their interest; it does not constitute a solicitation. Submitting an EOI does not automatically guarantee that a company will be considered for receipt of the tender. UNAMA reserves the right to change or cancel its requirement at any time.