Please Helps ! 3 way conference

[maxkuku]

I have a Grandstream HT286 that has 3 way conference feature for freephoneline. I try to use it by both ways in the manual ( use *23 and none ) and did log in website of grandstream HT286 to change the setting that I support to do for using *23 or none. Unfortunately, I've called 1st caller then I press flash button about two seconds the 1st caller disconnectedby itself. Freephoneline doesn't support that feature even the adapter has it, Am i right? If anyone knows please let me know it works or not and anyway to use it properly. Thank you

[dibsmft]

This question has been asked before and I don't think FPL supports more than one call at a time so 3 way conference will not work.I know that 3 way calling on the HT286 used to work OK for me in situations where it was allowed. You might be able to add a call to a SIP address or perhaps directly to an IP.

[FONGO_steve]

We do support three way calling. I've also just run a quick test to confirm everything is working as expected (had a three-way call between my desk phone, Grandstream ATA and Dell Voice)

[ddd]

It looks more of phone device problem. Maybe Talk button instead of Flash would work better (and never use Hold button).

[dibsmft]

Good to know that Steve though your desk phone (like mine) may make the three way call (internally) itself.

[FONGO_mike]

Perhaps the Link button once dialed in.