Here's what I have found out about that famous transfer key missing. The phone must have 2 lines to make it work and the following must be set: <Line_ID_Mapping group="Phone/Miscellaneous_Line_Key_Settings">Vertical First</Line_ID_Mapping> <Line_Navigation group="Phone/Miscellaneous_Line_Key_Settings">Per Call</Line_Navigation> The up and down arrow will switch to the first call and make the softkeys appear. Here are some pictures with a second incoming call with 1 line and 2 lines: No transfer key! Transfer key appear! I hope it helps others and let's hope Cisco fixes this issue one day.... ... View more

Thanks, it looks like there's more details than in the admin guide. ... View more

Hi, By doing some tests I have found that you have to set the following value: <Line_ID_Mapping group =" Phone/Miscellaneous_Line_Key_Settings " > Vertical First </Line_ID_Mapping> <Line_Navigation group="Phone/Miscellaneous_Line_Key_Settings">Per Call</Line_Navigation> You can then use the up and down arrow key and the transfer soft key will appear. The problem right now is that, for some reason it will only work if the phone has another line set on the second button...  I'm using firmware 7.5.7 and a Cisco 514G. ... View more

It seems like the phone needs to be able to lookup a valid SRV record for the proxy. I do not have any, I'm using IP addresses. ... View more

My Cisco.com Id ? I'm not sure where I can find that.I have sent you my phone number and direct  email  to your personal email. ... View more

Hi Palani, Any updates about this problem? ... View more

Thanks, I really appreciate it. ... View more

I just did thanks. ... View more

The SPA514G  phone accept notify from previous message subscriptions instead of terminating subscriptions. I cannot upload my pcap file  but here is a detailed description of what happen: You can download the pcap file called Sip_MWI_Notify.pcap and see for yourself. https://issues.asterisk.org/jira/browse/ASTERISK-26548 I have also tested the latest firmware and it has the same problem. ... View more

Blind transfer are working fine on my side with the setting to no. I can get SIP dialog for the transferor and the asterisk side, would that be enough? ... View more

I'm running version 13.6 PJSIP and firmware 7.5.7 (Latest firmware did not help either) and SIP dialog capture did not show anything wrong. Same behavior with Chansip driver. The video is just to show the delay, I know what an attended transfer is, it was doing the exact same thing if I waited for the transfer target ton pickup. I had the problem through many versions of Asterisks. Could also be a bug on their side, but I cannot prove it with what I have right now. If anyone on this forum  can set this setting to yes and confirm it's doing the same thing, it could help prove that Asterisk is not handling it right . ... View more

Hi, For anyone having this problem, here's the setting to modify in the Cisco phone to fix it: Make sure  Blind_Attn-Xfer_Enable is set to no. <Blind_Attn-Xfer_Enable_1_ group="Ext_1/Call_Feature_Settings">No</Blind_Attn-Xfer_Enable_1_> No more delay, it is now fast as lighning to make attended transfer. I think the default is no anyway, but if it ever happened to anyone using Asterisk, they won't have to go nuts finding the problem. It was Mandatory in our case that the phone performs the attended transfer, because directmedia between phones will not work if Asterisk is doing the transfer (Dial with T command...) . ... View more

Sometimes I miss the old days when everything just work, never thought DTMF would give me such a hard time. When you think about it, there is no perfect way for IP telephony to handle DTMF.It might be why they have so many way to process it (Info,Inband,RFC, and so on). I'll advise my users to use the handset I guess. Thanx for answer. ... View more