---------------------
pjsip.conf
---------------------

[transport-udp]
type=transport
protocol=udp
bind=0.0.0.0

[7001]
type=endpoint
transport=transport-udp
context=IS
disallow=all
allow=ulaw
auth=7001
aors=7001

[7001]
type=aor
max_contacts=1
contact=sip:7001@192.168.9.142:5063    ; Line 4 on my phone is setup for port 5063. 
                                                                   ; I have also tried without this setting and am seeing the exact same scenario

[7001]
type=auth
auth_type=userpass
password=1234
username=7001

---------------------
extensions.conf
---------------------
[general]
static=yes
writeprotect=no
autofallthrough=yes
clearglobalvars=no

[globals]
CONSOLE=Console/dsp                             ; Console interface for demo
IAXINFO=guest                                   ; IAXtel username/password
TRUNK=DAHDI/G2                                  ; Trunk interface
TRUNKMSD=1                   

[IS]
exten => 1,1,Verbose(1,Unrouted call handler)
exten => 1,n,Answer()
exten => 1,n,Wait(1)
exten => 1,n,Playback(tt-weasels)
exten => 1,n,Hangup()