Asked to transmit frame type alaw, while native formats is 0x4 (ulaw)

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1

HI guys,

I getting this error message on my freepbx. Please let me know how to resolve it

chan_sip.c: Asked to transmit frame type alaw, while native formats is 0x4 (ulaw) read/write = 0x4 (ulaw)/0x4 (ulaw)