Audio breaks and choppy at regular intervals. Vide...

From the last 2 week my skype audio breaks at regular intervals. (15 to 20 seconds each). The video freezes as well. It happens for echo test calls as well. I tried it on my windows desktop pc which is direclty connected to the home router and still facing the same prpblem. Did a speed test and the results are ping varies 3 to 20ms , 9.7 Mbps download and 1.97Mbps upload. Reset my Dlink 605L router and no change. All my iphone and ipad has the same problem. But i can use it in my office wi fi with no problems.

I did try with my old Lisksys WRT120N and had the sam problem. Please find below the call techncial info from skype echo test call.
Basic
Conversation ObjectId=978
Conversation identity=echo123
Status=3
Premium Status=0
Host=
InVol=100
OutVol=75
ParticipantCount=2
BW (avg/60sec): upload=< 1 kBps
BW (avg/60sec): download=< 1 kBps
echo123
Identity=echo123
ObjID=12301
Codec=SILK_V3
Jitter=20
Sample rates=e-12000, d-24000
Packet loss=89.7% (226)
Send packet loss=0.0%/0.0%
Recv packet loss=0.0%/0.0%
Roundtrip=0 ms
NBM=audio 3348 / 40 ms video 0 corr 0%
SessionOut=UDP (139 packets)
SessionIn=UDP (26 packets)
Relays=0
UDP status=local:Good remote:Good
CPU usage=5.5% 3.5% hicc:0
Remote UI version=ECHO123
Status=7
Problems=
Video debug (12331)=; media = 0; status = 7; error =
Identity=
Status=7
Problems=
I also did a ping test with pingtest.net and did not find any packet loss. But had packet loss only during skype.

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Attachments:
snapshot.jpg ‏178 KB

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