Solution Archer VR1210v V2 Fails to Register VoIP and Can’t Call in or out Normally under Italian TIM Line
This Article Applied To
Archer VR1210v V2
Background Introduction:
Some users feedback that Archer VR1210v V2 fails to register VoIP service and can’t call in/out normally under ISP TIM (Telecom Italy), while the internet works properly.
Recommended Solution:
1. Please upgrade to the following official firmware:
Archer VR1210v_V2_20250319
Note: For the sake of insurance, it's always recommended to save a copy of the modem router Backup Config file before upgrading or downgrading.
2. Enable the DNS SRV option on the VoIP registration page and confirm whether the VoIP registration is successful.
3. Please go to Advanced >> Telephony >> Telephone Numbers >> Advanced Settings, set both “DSCP for SIP” and “DSCP for RTP” to CS5 (101000). Then set “PCP for SIP/RTP” to 5, and click Save in the lower right corner.
As always, we value your feedback. If somehow you encounter an issue during or after firmware upgrade, it's suggested to comment below with the following info:
Detailed discription about the problem with necessary screenshots.
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