Huawei E220 HSDPA modem : not all functions are detected

[Jes]

My ppp.conf for use with VRA Option and Vodafone Spain connection: 

default:
 set log Phase Chat LCP IPCP CCP tun command

umts:
 #set device /dev/ucom0
 set device /dev/ttyU0
 #set speed 460800
 set speed 230400

 set dial "ABORT BUSY ABORT NO\\sCARRIER TIMEOUT 5 \
        \"\" AT OK-AT-OK ATZ OK \
        AT+CGDCONT=1,\\\"IP\\\",\\\"airtelnet.es\\\",\\\"0.0.0.0\\\",0,0 OK \
        AT+CGATT=1 OK \
        \\dATDT\\T TIMEOUT 40 CONNECT"

 set logout "ABORT BUSY ABORT ERROR TIMEOUT 30 \"\" +++ATH OK-ATH-OK"
 #nat enable yes
 #alias enable yes
 #nat port tcp 192.168.0.0:ftp ftp
 #nat port tcp 192.168.0.0:http http

 #set phone *99***1\#
 set phone *99\#
 set authname "vodafone"
 set authkey "vodafone"
 set timeout 120
 set ifaddr 10.0.0.1/0 10.0.0.2/0 255.255.255.0 0.0.0.0
 add default HISADDR                    # Add a (sticky) default route
 enable dns
 disable ipv6cp