Hi all. I have some problems to hear clearly music on hold, the sound interrupting. this some logs what i have in asterisk : rtp.c:298 process_rfc3389: RFC3389 support incomplete RFC3389: 1 bytes, level 8... RFC3389: 1 bytes, level 8... RFC3389: 1 bytes, level 8... RFC3389: 1 bytes, level 8... RFC3389: 1 bytes, level 8... RFC3389: 1 bytes, level 8... RFC3389: 1 bytes, level 8... RFC3389: 1 bytes, level 8... channel debug: RFC3389: 1 bytes, level 8... << [ TYPE: Unknown Frametype '10' (10) SUBCLASS: Unknown Subclass (64) ] [SIP/5060-b5300b98] << [ TYPE: Null Frame (5) SUBCLASS: N/A (0) ] [SIP/5060-b5300b98] << [ TYPE: Null Frame (5) SUBCLASS: N/A (0) ] [SIP/5060-b5300b98] RFC3389: 1 bytes, level 8... << [ TYPE: Unknown Frametype '10' (10) SUBCLASS: Unknown Subclass (64) ] [SIP/5060-b5300b98] << [ TYPE: Null Frame (5) SUBCLASS: N/A (0) ] [SIP/5060-b5300b98] << [ TYPE: Null Frame (5) SUBCLASS: N/A (0) ] [SIP/5060-b5300b98] << [ TYPE: Null Frame (5) SUBCLASS: N/A (0) ] [SIP/5060-b5300b98] << [ TYPE: Null Frame (5) SUBCLASS: N/A (0) ] [SIP/5060-b5300b98] << [ TYPE: Null Frame (5) SUBCLASS: N/A (0) ] [SIP/5060-b5300b98] Any help will be appreciated.