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Why am I having trouble registering with my SIP service provider and/or I am not able to hear the far-end partys audio but they can hear me?
Oftentimes, a router SIP ALG (Application Layer Gateway) is to blame for these issues. To fix, be sure to turn off any SIP ALG residing in your router.
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Troubleshooting
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Address
Polycom, Inc.6001 America Center Dr
San Jose, CA 95002
Telephone
+1.408.890.6000
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