SIP Phone Number: 87654xx 怎么是7位数呢？

我的号码怎么是7位数？不是10位啊？

========================
Thank you for signing up. Your IPKall application is being reviewed.
You will be notified via email if the process has been completed.

SIP Phone Number: 87654XX
SIP Proxy: fwd.pulver.com
Email: xxxxxx@gmail.com
Password: xxxxxxxx

Once you have received your number, you may log into your account by going
to http://phone.ipkall.com/login.asp and logging in with your IPKall phone
number (10 digit number only, no spaces or dashes) and the password you
provided. If you would like to cancel your account, log into you account and
choose the Cancel Account link.

IPKall is a PSTN to Existing VoIP service ONLY; devices and/or software are
not to be logged into IPKall servers. IPKall reserves the right to refuse or
terminate service for any reason. Accounts that are inactive for 30 days
will be terminated for non-use.

IPKall does not provide customer service. Get help from other users by
joining the discussion threads in the FREE online forum dedicated to Q&A on
IPKall.

IF you are interested in having a toll free number ring to the number you
receive here, or any phone number, check out Kall8.To have a toll free
number ring to you IP phone, all you need to do is sign up for this service,
receive your IPKall phone number, sign up for Kall8, and set your ring-to
number to your new IPKall phone number. Special Kall8 rates will apply.