@Chinnasamy i got a datacode firmware (Datecode2301051715) from TPlink support post upgrade which solved the VOIP problem and internet is also working fine for BSNL. kindly email to...

@PrakashSankar Hi David Good Day , Verified configurations from ISP are correct as i tested the services individually. Like if we configure only VOIP services VLAN as same in above screen shot of Mr...

@David-TP Hi David , Checked it was configured at Interface of VOIP Vlan of ipoe automatically. Changed as per your suggestion to LAN interface , still issue is same. When i delete the VOIP VLAN...

Dear Team , XPON Model : XC220-G3v v2.30 Firmware Version:1.2.0 0.8.0 v6062.0 Build 220907 Rel.7774n Hardware Version:XC220-G3v v2.30 00000000 Issue : I could not register the telephony service,...