As with many destinations in the Middle East, Oman is a difficult market to deliver messages to. Numerous filters are in place to block SMS and even legitimate A2P traffic can often blocked. To prevent filtering, Nexmo is pleased to inform you that we have a direct routes into all networks in Oman (MCC=422). In order to guarantee the best quality, Nexmo might make route changes on a temporary basis.

Please note that handset delivery receipts are not always supported and also Sender ID may be replaced to ensure delivery.

Additionally we strongly advise you not to send messages using Arabic characters as operators often cannot deliver them. We would recommend that you send using standard GSM8 in the body of your messages and avoid using Unicode.

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