    xlog("L_INFO", "1: $hdr(P-Asserted-Identity) \n");
    xlog("L_INFO", "2: $ai \n");

 0(7927) DEBUG: <core> [core/parser/msg_parser.c:91]: get_hdr_field(): found end of header
 0(7927) INFO: <script>: 1: <sip:+70000000000@test.com>,
	<tel:+71111111111> 
 0(7927) DEBUG: <core> [core/parser/parse_addr_spec.c:883]: parse_addr_spec(): end of header reached, state=10
/13] in status 0: [] . [core/parser/parse_addr_spec.c:680]: parse_addr_spec(): unexpected char [
 0(7927) ERROR: <core> [core/parser/parse_ppi_pai.c:71]: parse_pai_ppi_body(): Error parsing PAI/PPI body 1 '<sip:+70000000000@test.com>,
	<tel:+71111111111>'
 0(7927) DEBUG: pv [pv_core.c:1327]: pv_get_pai(): no P-Asserted-Identity header
 0(7927) INFO: <script>: 2: <null> 

kamailio -v
version: kamailio 5.6.0-dev1 (x86_64/linux) cbca34
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED
ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: cbca34 
compiled on 09:21:24 Sep 15 2021 with gcc 7.5.0