Buffer problem

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 Hi,
 
 I'm running pjsip-1.6 latest trunk on an beagle board based on ARM processor.
 While i'm running pjsua agent it is complaining about


 17:22:12.483     ec0x165cf8  Buffer size adjusted from 1922 to 1443 (eff_cnt=1440)
 17:22:12.609     ec0x165cf8  Buffer size adjusted from 2083 to 1604 (eff_cnt=1440)
 17:22:12.643     ec0x165cf8  Buffer size adjusted from 1924 to 1445 (eff_cnt=1440)
 17:22:12.843     ec0x165cf8  Buffer size adjusted from 1765 to 1286 (eff_cnt=1440)
 17:22:14.623     ec0x165cf8  Buffer size adjusted from 2246 to 1767 (eff_cnt=1320)
 17:22:14.643     ec0x165cf8  Buffer size adjusted from 1767 to 1288 (eff_cnt=1320)
 17:22:15.663     ec0x165cf8  Buffer size adjusted from 1608 to 1129 (eff_cnt=1230)


 and after i initiate a call during 180 ringing and after 200 ok


17:24:04.540   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:04.689   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:04.740     ec0x165cf8  Buffer size adjusted from 1771 to 1292 (eff_cnt=1198)
 17:24:04.814   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:04.865     ec0x165cf8  Buffer size adjusted from 1612 to 1133 (eff_cnt=1198)
 17:24:04.917   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:05.046   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:05.070     ec0x165cf8  Buffer size adjusted from 1773 to 1294 (eff_cnt=1198)
 17:24:05.157   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:05.186   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:05.259     ec0x165cf8  Buffer size adjusted from 1614 to 1135 (eff_cnt=1198)
 17:24:05.321   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:05.449   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:05.526     ec0x165cf8  Buffer size adjusted from 2095 to 1616 (eff_cnt=1198)
 17:24:05.559     ec0x165cf8  Buffer size adjusted from 1616 to 1137 (eff_cnt=1198)
 17:24:05.575   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:05.694   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:05.759     ec0x165cf8  Buffer size adjusted from 1777 to 1298 (eff_cnt=1198)
 17:24:05.834   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:05.880     ec0x165cf8  Buffer size adjusted from 1618 to 1139 (eff_cnt=1198)
 17:24:05.947   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:06.064   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:06.227   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:06.299     ec0x165cf8  Buffer size adjusted from 2099 to 1620 (eff_cnt=1198)
 17:24:06.322     ec0x165cf8  Buffer size adjusted from 1620 to 1141 (eff_cnt=1198)
 17:24:06.409   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:06.436     ec0x165cf8  Buffer size adjusted from 1461 to 982 (eff_cnt=1138)
 17:24:06.533   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:06.667   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:06.716     ec0x165cf8  Buffer size adjusted from 1622 to 1143 (eff_cnt=1138)
 17:24:06.787   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:06.891   Master/sound  Underflow, buf_cnt=0, will generate 1 frame
 17:24:06.950   sound_port.c  EC suspended because of inactivity
 17:24:06.954     ec0x165cf8  Buffer size adjusted from 1783 to 1304 (eff_cnt=1138)
 17:24:09.474   Master/sound  Buffer size adjusted from 1600 to 1300 (eff_cnt=1273)
 17:24:10.403   pjsua_core.c  RX 423 bytes Request msg BYE/cseq=27568 (rdata0x176f5c) from UDP 2xx.1xx.1xx.xxx:5060:
BYE sip:test7 at 94.54.xx.xx:5060;transport=UDP SIP/2.0
To: <sip:test7 at telekom.com.tr>;tag=xvy7KGP82TYBfYWJlAAMobbbHClKLJOx
From: <sip:0312481xxxx@xxxxxxxxxxx>;tag=D2055258867AF
Via: SIP/2.0/UDP 212.174.177.33:5060;branch=z9hG4bK-d87543-297e466706249ce1-1--d87543-;rport
Call-ID: YBw7zbEzXBcctw-kYRH10mwveLf-WYsD
CSeq: 27568 BYE
Contact: <sip:212.174.177.33:5060>
Max-Forwards: 69
Content-Length: 0


--end msg--
 17:24:10.404   pjsua_core.c  TX 358 bytes Response msg 200/BYE/cseq=27568 (tdta0x1c3058) to UDP 2xx.1xx.1xx.xxx:5060:
SIP/2.0 200 OK
Via: SIP/2.0/UDP 212.174.177.33:5060;rport=5060;received=212.174.177.33;branch=z9hG4bK-d87543-297e466706249ce1-1--d87543-
Call-ID: YBw7zbEzXBcctw-kYRH10mwveLf-WYsD
From: <sip:0312481xxxx@xxxxxxxxxxx>;tag=2055258867
To: <sip:test7 at telekom.com>;tag=xvy7KGP82TYBfYWJlAAMobbbHClKLJOx
CSeq: 27568 BYE
Content-Length:  0


--end msg--
 17:24:10.405    pjsua_app.c  Call 1 is DISCONNECTED [reason=200 (Normal call clearing)]
 17:24:10.406    pjsua_app.c  
  [DISCONNCTD] To: sip:0312481xxxxx at telekom.com;tag=2055258867
    Call time: 00h:00m:22s, 1st res in 5599 ms, conn in 12939ms
    #0 iLBC @8KHz, sendrecv, peer=212.174.177.62:12060
       RX pt=113, stat last update: 00h:00m:02.478s ago
          total 264pkt 13.1KB (23.7KB +IP hdr) @avg=4.5Kbps/8.2Kbps
          pkt loss=0 (0.0%), discrd=0 (0.0%), dup=0 (0.0%), reord=0 (0.0%)
                (msec)    min     avg     max     last    dev
          loss period:   0.000   0.000   0.000   0.000   0.000
          jitter     :   0.000   3.042  18.250   1.250   4.373
       TX pt=100, ptime=30ms, stat last update: 00h:00m:15.268s ago
          total 356pkt 17.8KB (32.0KB +IP hdr) @avg 6.2Kbps/11.1Kbps
          pkt loss=0 (0.0%), dup=0 (0.0%), reorder=0 (0.0%)
                (msec)    min     avg     max     last    dev 
          loss period:   0.000   0.000   0.000   0.000   0.000
          jitter     :  26.000  39.125  52.250  52.250  13.125
      RTT msec       :  28.030  32.760  37.490  37.490   4.730


 I'm hearing some part of voice activity from A and B party but they are not accurate.
 Is the problem related with media infrastructure or the platform it is running on ?

 Thank you









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