how-to-understand-and-resolve-sip-codes-603-607-and-608-for-blocked-calls

How to Understand and Resolve SIP Codes 603, 607, and 608 for Blocked Calls

If you are a business that relies on outbound calls to reach your customers, you may have encountered some frustrating scenarios where your calls are blocked or rejected by the recipients. This can negatively affect your connection rate, customer satisfaction, and revenue. To avoid these problems, you must understand why your calls are blocked and…