Can't connect to VPN

[Hingst]

Hello, a have a isue whith my PPTP VPN server a have setup
I cant connect to the server.
Running on Merlin _5 and a AC68U

pptpd[1175]: CTRL: Client (IP) control connection started
Jan 20 23:25:13 pptpd[1175]: CTRL: Starting call (launching pppd, opening GRE)
Jan 20 23:25:13 pptp[1177]: Plugin pptp.so loaded.
Jan 20 23:25:13 pptp[1177]: PPTP plugin version 0.8.5 compiled for pppd-2.4.7, linux-2.6.36.4
Jan 20 23:25:13 pptp[1177]: pppd 2.4.7 started by admin, uid 0
Jan 20 23:25:13 pptp[1177]: Using interface ppp10
Jan 20 23:25:13 pptp[1177]: Connect: ppp10 <--> pptp (IP)
Jan 20 23:25:43 pptp[1177]: LCP: timeout sending Config-Requests
Jan 20 23:25:43 pptp[1177]: Connection terminated.
Jan 20 23:25:43 pptp[1177]: Modem hangup
Jan 20 23:25:43 pptp[1177]: Exit.
Jan 20 23:25:43 pptpd[1175]: CTRL: Client pppd TERM sending
Jan 20 23:25:43 pptpd[1175]: CTRL: Client pppd finish wait
Jan 20 23:25:43 pptpd[1175]: CTRL: EOF or bad error reading ctrl packet length.
Jan 20 23:25:43 pptpd[1175]: CTRL: couldn't read packet header (exit)
Jan 20 23:25:43 pptpd[1175]: CTRL: Fatal error reading control message in disconnect sequence
Jan 20 23:25:43 pptpd[1175]: CTRL: Client IP control connection finished

Help please

 

[Hingst]

VPn

But it works just fine when a try to connect whith my ipone on the local wifi but not on my 3g net.